What is the charge in a circuit where the current is 16A over a 5 minute time period

As a result, the arrows in the free-body diagram that indicate the forces operating on the object will be balanced, equal in magnitude, and pointing in the opposite direction.

Arrows used in free body diagrams to depict the various forces acting on an item. Force is a vector, as was previously stated. As a result, every force on a free body diagram has a value and a direction.

Newton's rule states that if the net force acting on an object is not zero, then the object's acceleration will also not be zero. Therefore, we will analyse the total force using the free body diagram.

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The temperature that a stationary probe inserted into the duct will read for each case is as follows:(a) 320.0005 K(b) 320.0498 K(c) 324.9502 K(d) 815.02 K

The formula to calculate the temperature that a stationary probe inserted into the duct will read for each case is:

T = T0 + (v² / 2Cp)

where,

T0 is the temperature of the air in Kelvin,

v is the velocity of the air in m/s,

Cp is the specific heat capacity of air at a constant pressure of 101.325 kPa.

For each case given, the temperature that the stationary probe will read is as follows:

(a) v = 1 m/sT = 320 K + (1² / 2 * 1005 J/kg.K)T = 320 K + 0.0005 K = 320.0005 K

(b) v = 10 m/sT = 320 K + (10² / 2 * 1005 J/kg.K)T = 320 K + 0.0498 K = 320.0498 K

(c) v = 100 m/sT = 320 K + (100² / 2 * 1005 J/kg.K)T = 320 K + 4.9502 K = 324.9502 K

(d) v = 1000 m/sT = 320 K + (1000² / 2 * 1005 J/kg.K)T = 320 K + 495.02 K = 815.02 K

Thus, the temperature that a stationary probe inserted into the duct will read for each case is as follows:(a) 320.0005 K(b) 320.0498 K(c) 324.9502 K(d) 815.02 K

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Answer:

B. economics

Explanation:

An understanding of economic principles can help a 911 operator understand the root causes of many different emergencies, such as poverty, drug abuse, and domestic violence, and help them be more effective at dispatching resources to help those in need. Furthermore, a basic understanding of economics can provide context for some types of emergencies, such as natural disasters or workplace accidents related to unsafe working conditions. However, while having an understanding of economics is helpful, it's not mandatory for 911 operators to perform their jobs effectively. They ultimately need to be skilled in communication, risk assessment, and decision-making to ensure that people receive the assistance and resources they need in an emergency situation.

Answer:

459.65 kilowatts.

Explanation:

This question involves calculating the power developed by a truck in motion, given its mass, rate of acceleration, and time.

The formula for power is:

Power = force x velocity

The formula for force is:

Force = mass x acceleration

We can begin by calculating the force applied on the truck:

Force = mass x acceleration Force = 2200kg x 3.5ms^-2 Force = 7700 N

Next, we need to calculate the velocity of the truck. We can use the following formula:

Velocity = Acceleration x Time

Velocity = 3.5ms^-2 x 17s Velocity = 59.5 m/s

Now we can calculate the power developed by the truck:

Power = Force x Velocity Power = 7700 N x 59.5 m/s Power = 459650 Watts or 459.65 kilowatts

Therefore, the power developed by the 2200kg truck running at a rate of 3.5ms^-2 for 17 seconds is 459.65 kilowatts.

Power developed by the truck at the given rate is 458 kW.

Power of an object is defined as the rate of work done by it in unit time.

Here,

Mass of the truck, m = 2200 kg

Acceleration of the truck, a = 3.5 m/s²

Time taken by the truck, t = 17 s

Power of an object is the product of its force and velocity of the object.

Equation for power of the truck is given by,

Power = F x v

Force, F = m x a

F = 2200 x 3.5 = 7700 N

Velocity, v = a x t

v = 3.5 x 17

v = 59.5 m/s

Therefore,

Power = 7700 x 59.5

Power = 458 kW

Hence,

Power developed by the truck at the given rate is 458 kW.

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If the frost line had extended beyond Jupiter's orbit, the solar system and its components would have been very different. The frost line is the distance in the solar system.

where water and other volatile substances may condense into solid ice, and it is important in planet formation.The outer solar system's gas giants would not have grown as rapidly or as large as they did if there had been a frost line beyond Jupiter. This is because the absence of volatile chemicals in the outer areas would have delayed the process. Furthermore, because they developed closer to the frost line, the inner rocky planets, including Earth, would have had more water and volatile chemicals.a frost line beyond Jupiter would have had profound effects on the formation and composition of the solar system's planets and bodies.

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Using excess energy from a sunny day stored in batteries is the best option for off-the-grid PV solar systems at night.

Based on the information given, the best option for a homeowner using an off-the-grid PV solar system to power a home between 9:00 pm and 6:00 am would be to use excess energy from a sunny day stored in batteries for power. This means that the solar panels would generate excess energy during the day which would be stored in batteries to be used at night. This is common practice in off-the-grid solar systems and is an effective way to ensure consistent power supply. Switching to the electrical grid or relying on other sources of energy like wind or hydroelectricity would not be feasible for an off-the-grid solar system. Burning wood for heat and light could be an option but it would not be directly related to the solar system.

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Answer:

One mole of O2 contains 6.022 x 10^23 molecules, therefore, 5 moles of O2 contain 3.011 x 10^24 molecules.

Explanation:

The required rotational inertia about the left end of the rod is calculated to be 3ML²/2.

A body's inertia is a property that makes it resist efforts to set it in motion or, if it is already moving, to change the speed or direction of it.

The inertia of a substance is a passive quality that only enables it to withstand active agents like forces and torques. To determine the left's spinning inertia,

I = I₁ + I₂ + I₃ = 3 M(0)² + 2M(L/2)² + M(L)² = 3ML²/2

Thus, the required rotational inertia about the left end of the rod is calculated to be 3ML²/2.

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When you stand a meterstick on its end and let it rotate to the floor, the time it takes to fall is dependent on the moment of inertia.

If you attach a heavy glob of clay to its upper end and repeat the experiment, the time it takes to fall will be longer. The moment of inertia is defined as the resistance of an object to rotational motion. It is dependent on the shape and mass distribution of an object. The clay's addition to the meterstick's upper end changes the mass distribution of the object and increases its moment of inertia. As a result, the object will take longer to fall because it has more resistance to rotational motion.

In summary, the time it takes for a meterstick to fall is dependent on its moment of inertia. Adding a heavy glob of clay to its upper end increases the moment of inertia, resulting in a longer time for it to fall.

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In a piston, the pressure is arranged from maximum pressure to minimum pressure in the following way:

Maximum pressure is at the top of the piston or the end that is opposite to the connecting rod, while minimum pressure is at the bottom of the end that is attached to the connecting rod. When the fuel-air mixture is ignited in the combustion chamber, it produces high-pressure gases that push the piston towards the connecting rod. This pressure decreases as the piston moves downwards, until it reaches the bottom of its stroke, where the pressure is at its lowest. The process then repeats itself as the piston moves back up towards the top of the cylinder. This movement is known as the piston's stroke. The pressure in the cylinder is controlled by various factors, including the size and shape of the combustion chamber, the fuel-air mixture ratio, and the timing of the ignition.

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Answer:

Approximately 1.95 x 10^20 helium molecules

Explanation:

A picometer is a unit of length equal to one trillionth of a meter, or 10^-12 meters. To find out how many helium molecules could fit between Earth and Mars, we need to first calculate the distance between them in picometers:

54.6 million kilometers = 54.6 x 10^9 meters

54.6 x 10^9 meters = 54.6 x 10^21 picometers (since there are 10^12 picometers in a meter)

Next, we need to calculate how many helium molecules can fit in this distance. We can do this by dividing the distance between Earth and Mars by the length of a helium molecule:

54.6 x 10^21 picometers / 280 picometers per helium molecule

= 1.95 x 10^20 helium molecules

Therefore, approximately 1.95 x 10^20 helium molecules could fit between Earth and Mars, assuming they were lined up end to end without any space between them.

The pressure at the bottom of a body of water is directly proportional to the weight of water above each square meter of the bottom surface.

This relationship is described by the concept of hydrostatic pressure, which is the pressure exerted by a fluid at rest due to the weight of the fluid above it.

In a body of water, the weight of the water above each square meter of the bottom surface creates a force that is transmitted to the bottom as pressure.

This pressure is proportional to the weight of the water and is also distributed equally over each square meter of the bottom surface. According to the equation for hydrostatic pressure, the pressure at a point within a fluid is given by: P = ρgh

where P is the pressure, ρ is the density of the fluid, g is the acceleration due to gravity, and h is the height of the fluid column above the point. In the case of a body of water, the height h is replaced with the depth of the water.

Since the density of water is constant, the pressure at the bottom of a body of water is directly proportional to the depth of the water, which is equivalent to the weight of the water above each square meter of the bottom surface.

As the depth of the water increases, so does the weight of the water above the bottom surface, and hence the pressure at the bottom also increases in direct proportion.

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If you could count stars at a rate of about one per second, it would take several thousand years to count all the stars in the Milky Way galaxy.

The Milky Way galaxy contains approximately 100 billion to 400 billion stars. In order to estimate the time it would take to count all the stars, let's assume the average number of stars, which is around 250 billion.


1. First, determine the number of seconds in a minute: 60 seconds
2. Next, determine the number of seconds in an hour: 60 minutes * 60 seconds = 3,600 seconds
3. Determine the number of seconds in a day: 24 hours * 3,600 seconds = 86,400 seconds
4. Determine the number of seconds in a year: 365 days * 86,400 seconds = 31,536,000 seconds

Now, divide the total number of stars (250 billion) by the number of seconds in a year:
250,000,000,000 stars / 31,536,000 seconds per year ≈ 7,926 years

So, it would take approximately 7,926 years to count all the stars in the Milky Way galaxy at a rate of one star per second. Therefore, the correct answer from the group of choices is several thousand years.

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The current passing through a 1.5-m length of straight wire that experiences a maximum force of 1.4 N in a uniform magnetic field of 1.8 T is 0.52 A.

Use the formula for magnetic force on a current-carrying wire:

F = BIL

where F is the magnetic force (1.4 N), B is the magnetic field strength (1.8 T), I is current, and L is the length of the wire (1.5 m).


I = F / (B * L)

I = 1.4 N / (1.8 T * 1.5 m)

I = 1.4 / 2.7 = 0.5185185 A

I ≈ 0.52 A

Therefore, a current of 0.52 A must be passing through the wire.

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The net torque is given by:mA,net,z = τ1,z + τ2,z + τ3,z + τ4,z + τ5,z + τ6,z + τ7,z = (−22wi − 13wj) N · m.

When answering questions on the Brainly platform, it is important to always be factually accurate, professional, and friendly. You should be concise and avoid providing extraneous amounts of detail. Additionally, you should not ignore any typos or irrelevant parts of the question.

Finally, when answering this specific question, you should use the following terms in your response:As shown in the diagram below, seven forces all with magnitude || = 31 N are applied to an irregularly shaped object. Each force is applied at a different location on the object,

indicated by the tail of the arrow; the directions of the forces differ. The distances shown in the diagram have these values: w = 8 m, h = 12 m, and d = 11 m.(7) A,7,z = N · mA,net,z = _____ N · mTo find the torque about the z-axis (A,7,z), we can use the formula:τ = r x Fwhere τ is the torque,

r is the position vector, and F is the force vector. We can also use the right-hand rule to determine the direction of the torque. If we curl the fingers of our right hand in the direction of r x F, then our thumb will point in the direction of the torque.For each of the seven forces,

we can calculate the torque about the z-axis using the formula above. The position vector for each force is given by the distance from A,7 to the tail of the arrow. The force vector is given by the arrow itself. To simplify the calculations, we can choose a coordinate system such that the x-axis passes through A,7 and is perpendicular to the plane of the diagram.

Then, the y-axis is parallel to the plane of the diagram and passes through A,7, and the z-axis is perpendicular to the plane of the diagram and passes through the center of mass of the object.

With this coordinate system, we can write the position vectors and force vectors in terms of their x, y, and z components.For example, the torque due to force 1 can be written as:τ1,z = (−w/2)i x (−31sin(30°)j) = −15.5wi − 8.5wjwhere i, j, and k are unit vectors in the x, y, and z directions, respectively.

The negative signs indicate that the torque is in the clockwise direction.Using this method, we can find the torque due to each force and then add them up to get the net torque about the z-axis.  

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a) The center of mass is 28 cm from the 800 g ball. b) The rotational kinetic energy is 0.63 J if the structure rotates about its center of mass at 100 rpm.

To find the center of mass of the system, we need to consider the mass and position of each component. Since the rod is 40 cm long and has a mass of 200 g, we can treat it as a point mass located at its midpoint, which is 20 cm from each ball. The center of mass is then the weighted average of the positions of the three point masses. Using the formula for the center of mass, we find that the center of mass is 28 cm from the 800 g ball.To find the rotational kinetic energy, we need to know the moment of inertia of the system and the angular velocity. Since the system is rotating about its center of mass, we can use the parallel axis theorem to find the moment of inertia. The moment of inertia of the two balls is 0.14 kgm^2, and the moment of inertia of the rod is 0.004 kgm^2. The total moment of inertia is then 0.144 kg*m^2. Converting 100 rpm to radians per second, we get an angular velocity of 10.47 rad/s. Using the formula for rotational kinetic energy, we find that the rotational kinetic energy is 0.63 J.

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To maximize its rotational inertia, a flywheel must be constructed in a way that "most of the mass is concentrated far from the axis."

Rotational inertia is the measure of a rotating object's resistance to change in its state of rotation. It is affected by the distribution of mass of the object, specifically the distance of the mass from the axis of rotation.

A flywheel is a mechanical device used to store rotational energy. To maximize the flywheel's rotational inertia, the mass of the flywheel should be concentrated as far away from the axis of rotation as possible. This is because the farther the mass is from the axis, the greater its effect on the flywheel's rotational inertia. Therefore, the correct answer to the question is "most of the mass is concentrated far from the axis."

A flywheel is constructed to maximize its rotational inertia by concentrating most of the mass far from the axis. This distribution of mass increases the flywheel's resistance to changes in rotational speed, enhancing its ability to store and release energy efficiently.

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The voltage across the capacitor 11 ms after closing the switch is  11 ms.

To solve this problem, we will use the time constant (τ) of the RC circuit, which is given by the product of the resistance (R) and the capacitance (C):

τ = RC

Since the capacitor is initially uncharged, the voltage across it (Vc) at time t is given by:

Vc = V0(1 - e^(-t/τ))

Where V0 is the voltage of the battery.

At time t = 11 ms, the switch is closed, and the capacitor begins to charge. We are asked to find the voltage across the capacitor at this time.

Since the switch is closed, the resistor is in the circuit, and we need to know its value to calculate the time constant.

However, we are not given the value of the resistor, so we cannot solve the problem with the information given.

We need either the value of the resistor or the time constant to calculate the voltage across the capacitor at 11 ms.

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Answer:

Explanation:

So this question is basically asking you to find where 20= -16t^2+100t+5 because you want to find the time for how long after the arrow was launched does it hit the intended target of 20 feet. Using a graphing calculator you put -16t^2+100t+5 into y1 and 20 into y2. Once you do that you can find the intersection point and the x coordinate is your answer because the x value represents the time. So the answer is 6.096 seconds. If you need an exact answer then you need to use the quadratic formula and you would get (25+the square root of 565)/ 8

After the arrow passes its maximum height, it comes down and hits a target that was placed feet above the ground. Long after the arrow was shot, it hit its intended target it will take about 5.2 seconds for it to hit its intended target.

We can use the equation given below to calculate the height of an arrow in feet t seconds after it has been fired. This equation is a quadratic equation.

h(t) = -16t² + 48t + 100The maximum height that the arrow reaches can be determined by using the vertex formula.

The vertex formula for a quadratic equation is given below. t = -b / 2a.

After calculating the value of t, we can find the height of the arrow at this time. After this, we can set up another equation to find out how long it takes for the arrow to hit its intended target. This equation will be given as follows.100 - h(t) = -16t² + 48t + 9.4. By solving this equation, we can get the value of t. It is approximately 5.2 seconds. Therefore, the arrow will hit its intended target about 5.2 seconds after it has been fired.

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The center of mass for this star-planet system would be located approximately 0.021 AU from the center of the star.

To find the center of mass of the star-planet system, we will use the following formula:

Center of mass = (m1 * r1 + m2 * r2) / (m1 + m2)

Here, m1 and r1 are the mass and distance of the star from the reference point (center of mass), and m2 and r2 are the mass and distance of the planet.

The mass of the star (our Sun) is 1 solar mass, and the mass of the planet is 6 times the mass of Jupiter, which is about 0.018 solar masses. The distance from the star to the planet is the same as the distance from Jupiter to our Sun, which is 5.2 AU.

Using the formula:

Center of mass = (1 * r1 + 0.018 * 5.2) / (1 + 0.018)

Solving for r1, we get:

r1 ≈ 0.021 AU

So, the center of mass is approximately 0.021 AU from the center of the star.

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The amount of force necessary to keep it submerged in water is F=0.258N.

The force required to hold a table tennis ball submerged in water is calculated using the formula:

[tex]F =\frac{ (\rho * V * g) }{ A}[/tex]

Where F is the force, ρ is the water's density, V is the ball's volume, g is its gravitational acceleration, and A is its cross-sectional area.

The following formula is used to determine the ball's volume:

[tex]V = \frac{4}{3}*pi*r^3[/tex]

where r is the ball's radius.

The radius of the ball is half its diameter, thus:

[tex]r = 3.8 cm^2[/tex]

Therefore,

[tex]V = \frac{4}{3}*pi *(3.8 cm ^2)3\\V = 0.5222 cm3[/tex]

The cross-sectional area of the ball is calculated using the formula:

[tex]A = \pi * r^2\\\\A = \pi* (\frac{3.8 cm }{ 2})^2\\A = 4.5257 cm^2[/tex]

Substituting the values in the above formula,

[tex]F =\frac{ (0.084 g/cm^3 * 0.5222 cm^3 * 9.8 m/s^2) }{4.5257 cm^2}\\F = 0.258 N[/tex]

Hence, the force needed to keep it submerged in water is 0.258N

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Pulsars spin very rapidly when they're young but slow down due to emitting radiation. The correct answer is option a.

Pulsars are highly magnetized, rotating neutron stars that emit beams of electromagnetic radiation out of their magnetic poles. These beams can only be observed when they are oriented toward the observer, causing them to appear as pulses of radiation at regular intervals.

Pulsars were first observed in 1967 by Jocelyn Bell Burnell and Antony Hewish while studying interplanetary scintillation. Since their discovery, over 2,000 pulsars have been observed. Pulsars spin very rapidly, with some pulsars rotating hundreds of times per second.

They generally spin faster when they are young and slow down over time due to emitting radiation. Pulsars generally form from massive stars that have gone supernova. They emit radiation in a variety of wavelengths, including radio waves, X-rays, and gamma rays.

Therefore, Pulsars are known to spin very rapidly, with some rotating hundreds of times per second and they gradually slow down due to the loss of energy in the form of radiation.

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The circuit voltages and currents are evaluated according to Ohm's law as follows;

a. 220 V

b. Please find attached the drawing of the circuit showing the required location of the switch, created with MS Word

c. i. 0.4 A

ii. The total current will remain the same

4. a. The over-voltage could burn the lamps

b. i. 6

ii. Please find attached the drawing of the circuit diagram created with MS Word

iii. Please find attached the drawing of the voltmeter in the circuit

5. a. 7 V

b. i. The voltage decreases in L1

ii. The current in the circuit is reduced by the addition of the new lamp

Ohm's law describe the relationship between the voltage, resistance, and current in an electric circuit. Ohm's Law states that the current, I, between two points in a conductor in a current carrying circuit, is directly proportional to the voltage, V, between the points.

Mathematically; V ∝ I

V = I·R

R = The resistance of the conductor

3. a. The arrangement of the lamps in parallel indicates that the voltage of the mains 220 V is the voltage across one of the lamps.

b. The location of the switch should be adjacent to the voltage source. Please see the attached drawing created with MS Word

c. i. The connection of the lamps in parallel, and the equivalence of the resistors in each lamp indicates that the current, I, flowing through each lamp can be obtained as follows;

I = 2.4 A/6 = 0.4 A

ii. When the two more lamps are added in parallel, the current through each lamp reduces while the total current in the circuit remain the same

4. a. The reason why Marcus cannot connect the lamps in parallel across the battery is because the voltage of each lamp (2.0 V) are lesser than the voltage of the battery (12 V). If the lamps are connected in parallel, they will draw excess current from the battery and they could burn out.

b. i The number of lamps that can be connected in series and work properly is; 12 V/(2 V/lamp) = 6 Lamps

ii. Please find attached the drawing of the lamps arranged in series created with MS Word

iii. Please find attached the drawing of the voltmeter, that can be used to measure the voltmeter across one lamp

5. a. The voltage across the buzzer is the difference between the voltage across the 9 V and the 2 V lamp, which is 7 V

b. i. The voltage across the circuit component will be shared such that the voltage drop across the L1 will decrease.

ii. According to Ohm's law, the current, I, is inversely proportional to the resistors, R, in a circuit.

I ∝ 1/R

The current in a circuit in series is the same for the components in the circuit, such that as the component increases, Ohm's law indicates that the current in the circuit will decrease.

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When the sun sets, water would cool down the fastest.

When the sun sets, the material that would cool down the fastest, assuming they all have the same mass and initial temperature, is the one with the lowest specific heat capacity.

Specific heat capacity is the amount of heat required to raise the temperature of one gram of a substance by one degree Celsius.

The specific heat capacity of a substance is a measure of how much energy is required to raise the temperature of a given amount of that substance by one degree Celsius.

It is defined as the amount of heat required to raise the temperature of one unit of mass of the substance by one degree Celsius.

The specific heat capacity of a material varies depending on its chemical makeup.

Metals, for example, have a low specific heat capacity, meaning that they heat up and cool down rapidly.

Conversely, water has a high specific heat capacity, meaning that it heats up and cools down more slowly than metals.

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The main reason for the difference in precipitation in the two locations is due to the difference in temperature. When temperatures are cold enough, the water vapor in the air will condense and form snowflakes.

The temperature in Ohio is likely not cold enough for snow, but the temperature in Pennsylvania is cold enough for the water vapor in the air to turn into snowflakes. The temperature in a given area is determined by a variety of factors, such as air pressure, humidity, and wind speed. Each of these factors can be different in each location, which can lead to a difference in temperature and, ultimately, a difference in precipitation.

Air pressure is the pressure of the atmosphere at a particular location as the higher the air pressure, the warmer the temperature. The humidity determines the amount of water vapor in the air and as the higher the humidity, the more water vapor is in the air and the more likely it is to condense into snow. Wind speed is the speed of the wind at a particular location also the faster the wind, the colder the temperature.

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The current that will pass through resistance R1 if U(BC) = 6V,is 3A when the resistances are as follows: R1=2 ohms, R2=6 ohms, R3=1 ohm, R4=1 ohm.

Given the voltage in the circuit (V) = 6V

The resistance of resistor R1 = 2ohms

The resistance of resistor R2 = 6ohms

The resistance of resistor R3 = 1ohms

The resistance of resistor R4 = 1ohms

As we can see from the diagram given that the resistors R1 and R4 are connected in parallel, which combinedly is connected in series with R2 and then total is connected in parallel with R3.

The current that will pass through resistance R1 can be determined by using Ohm's Law. This law states that the current (I) is equal to the voltage (V) divided by the resistance (R). In this case, the voltage across R1 is the same as the voltage across the circuit (U(BC)), which is 6V. Therefore, the current through R1 is:

I = 6V / 2 ohms = 3A

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Answer:

The radius of the circular path that the proton follows can be calculated using the formula: r = (m*v)/(q*B) where m is the mass of the proton, v is its velocity, q is its charge, and B is the strength of the magnetic field. The mass of the proton is approximately 1.67 x 10^-27 kg, and its charge is 1.6 x 10^-19 C. The velocity of the proton can be calculated using the formula: KE = (1/2)*m*v^2 where KE is the kinetic energy of the proton. Substituting the given value of KE = 4 x 10^-6 J and solving for v, we get: v = sqrt((2*KE)/m) = 1.89 x 10^5 m/s Substituting these values into the formula for the

The radius of the circular path​ is 0.0082 meters or 8.2 millimeters.

A magnetic field is a region of space around a magnet or a moving electric charge where magnetic forces can be observed. It is a vector field, which means that it has both magnitude and direction at each point in space. Magnetic fields are created by electric currents and the intrinsic magnetic moments of elementary particles such as electrons, protons, and neutrons.

Here in the Question,

The proton moves perpendicular to the magnetic field, so it will experience a magnetic force given by:

F = qvB

Where

q =is the charge of the proton (+1.602 × 10^-19 C),

v =is the velocity of the proton,

B =is the magnetic field strength (0.5 T).

The magnetic force is centripetal in nature, so it provides the necessary force to keep the proton moving in a circular path. The force is given by:

F = mv^2/r

Where

m = is the mass of the proton (1.673 × 10^-27 kg)

r  = is the radius of the circular path.

Setting these two equations equal to each other and solving for r, we get:

mv^2/r = qvB

r = mv/(qB)

Putting the given values, we get:

r = (1.673 × 10^-27 kg) * sqrt((4*10^-6 J) / (2 * 1.602 × 10^-19 C * 0.5 T))

r = 0.0082 meters or 8.2 millimeters (rounded to two significant figures)

Therefore, the radius of the circular path is approximately 8.2 millimeters.

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The new image is located at a measure of 7.5 cm from the mirror.

Using the mirror formula, 1/f = 1/do + 1/di, where f is the focal length, do is the object distance and di is the image distance.

Let's first find the focal length of the concave mirror. We can use the mirror formula with the given values of object distance and image distance:

[tex]1/f = 1/do + 1/di\\1/f = 1/0.12 + 1/0.08\\1/f = 8.33 + 12.5\\f = 1/20.83\\f = 0.048 m[/tex]

Now we can use the mirror formula again to find the new image distance when the object distance is 18.0 cm:

[tex]1/f = 1/do + 1/di\\1/0.048 = 1/0.18 + 1/di\\di = 0.048 * 0.18 / (0.18 - 0.048)\\di = 0.009936 / 0.132\\di = 0.075 m[/tex]

Therefore, the new image is located at almost 7.5 cm away from the mirror.

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We have 100.0 kg of skim milk at 0% fat and 2.5% protein. approximately 298.48 kg of milk A and 200.05 kg of whole milk B should be added to the skim milk to get the desired final mixture.

Let x kg of milk with 2.0% fat and 2.1% protein (Milk A) be added to the skim milk. Let y kg of whole milk with 3.5% fat and 1.9% protein (Milk B) be added. We need to find x and y for the final mixture.
1. Fat content equation:
(0.00 * 100) + (0.02 * x) + (0.035 * y) = 0.016 * (100 + x + y)
2. Protein content equation:
(0.025 * 100) + (0.021 * x) + (0.019 * y) = 0.022 * (100 + x + y)
Step 1: Solve the fat content equation for y:
0.02 * x + 0.035 * y = 1.6 + 0.016 * x + 0.016 * y
0.019 * x + 0.02 * y = 1.6
y = (1.6 - 0.019 * x) / 0.02
Step 2: Substitute the value of y in the protein content equation:
0.025 * 100 + 0.021 * x + 0.019 * (1.6 - 0.019 * x) / 0.02 = 0.022 * (100 + x)
2.5 + 0.021 * x + 0.019 * (1.6 - 0.019 * x) = 2.2 + 0.022 * x
Step 3: Solve for x:
0.021 * x - 0.022 * x = 2.5 - 2.2 - 0.019 * 1.6 / 0.02
-0.001 * x = 0.3 - 0.00152
x = (0.3 - 0.00152) / -0.001
x ≈ 298.48
Step 4: Calculate y using the value of x:
y = (1.6 - 0.019 * 298.48) / 0.02
y ≈ 200.05

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Answer:t = 1.27 s

Explanation:

Given

Initial velocity(vi)=4.30m/s

final velocity(vf)=0

F = 44.0 N

M=57.5/9.8(considering g=9.8)

vf = vi + (Fnet / m) * t

t = (m * (vf - vi)) / Fnet

Substituting the given values, we get:

t = (57.5 N / 9.81 m/s^2) * (0 - 4.30 m/s) / (-44.0 N)

t = 1.27 s

A force of 44.0 N must be applied to the bowling ball for 6.98 seconds to stop it.

To determine how long a force of 44.0 N must be applied to a 57.5 N bowling ball moving at an initial velocity of 4.30 m/s to stop it, we can use the formula for the final velocity of an object subjected to a constant force:

final velocity = initial velocity + (force/mass) x time

Since we want to stop the ball, final velocity is 0. We can rearrange  formula to solve for time:

time = (mass x (final velocity - initial velocity))/force

Substituting in given values, we get:

time = (57.5 kg x (0 m/s - 4.30 m/s))/44.0 N = 6.98 seconds

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