what is 19.2×108 minutes in hours? 3.200×109 ​h​ 3.200 times 10 to the power of 9 end power, , ​, h, ​ 1.152×1011 ​h​ 1.152 times 10 to the power of 11 end power, , ​, h, ​ 3.200×107 ​h​ 3.200 times 10 to the power of 7 end power, , ​, h, ​ 1.152×107 ​h

Answer:

you can go to quizlet

Explanation:

Answer:

2.5 m/s North

Explanation:

Took the quiz on K12 it was right

When a light source is turned on, it emits photons that scatter in different directions and hit every object that is present around it.

This is referred to as the path in which electric current can flow around and comprises of some components such as resistors, bulb etc. There are two types which include open and closed circuit.

When the light source is turned on, the circuit is closed and there is complete flow of electrons which powers up the bulb and gives rise to the emission of the photons which hits objects around it thereby giving rise to the illumination of the area.

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The calculated weight in newtons is 10 N.

Listed below is the data we will use:

Area A is where the pressure is P. Here are the details we were given:

A=1 cm2, P=101325 N/m, and w=?

Do the area conversion to square meters.

A=1cm2×1m2/1002cm2\s=1×10−4m2

From the definition of pressure, calculate the weight of the air column. In this instance, the air column's weight is determined by multiplying the atmospheric pressure by the air column's base area.

Fw = P atm A

= (101325N/m2) (1 10 4m2)

= 10N

The complete question is - Imagine a square column of the atmosphere, 1 cm on a side, that extends all the way to the top of the atmosphere. How much does this column of air weigh in newtons?

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"Choice-C" is the answer.

Considering the definition of velocity, the velocity is 0.2 m/s due east.

Velocity is a physical magnitude that relates the displacement of an object, the time it takes to make this change in position and direction, so it is considered a vector magnitude.

In other words, the velocity can be defined as the amount of space traveled per unit of time with which a body moves, considering the direction, and can be calculated using the expression:

velocity= distance traveled÷ time

Velocity has units of distance/time and includes direction of travel.

In this case, you know:

Replacing in the definition of velocity:

velocity= 4 meters÷ 20 seconds

Solving:

velocity= 0.2 m/s

Finally, the velocity is 0.2 m/s due east.

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The bunny’s displacement at t=12 s is 12 m.

The bunny’s acceleration when slowing down is -0.083 m/s².

The displacement of an object is the change in position of the object.

The displacement of the object at time, t = 12 seconds, is the change in position from time, t = 0 seconds to time, t = 12 seconds.

Δx = v(t₂ - t₁)

Δx = 1 m/s (12 s - 0 s)

Δx = 12 m

The bunny’s acceleration when slowing down is calculated as follows;

a = (v - u)/(t₂ - t₁)

a = (0 - 1 m/s) / (12 s - 0 s)

a = -0.083 m/s²

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Answer:

The bunny’s displacement at t=12 s is 12 m.

The bunny’s acceleration when slowing down is -0.083 m/s².

Answer: Planets would be pulled into the sun

Explanation:

This is the correct answer.

Answer:

2 m/s²

Explanation:

If changes speed by 2 meters per second each second means:

2 m/s²

Because it changes constantly it veloctity.

Remember the aceleration changes the velocity.

Answer:

c. 2 m/s2

is the right answer.

The three key processes that alter the surface of an object and make it show less cratering. The size and shape of the crater and the amount of fabric excavated rely upon elements such as the speed and mass of the impacting frame and the geology of the floor. The faster the incoming impactor, the bigger the crater.

An effect crater is formed whilst an item like an asteroid or meteorite crashes into the floor of a larger solid item like a planet or a moon. The excavation of bowl-formed depressions via asteroids or comets putting a planet's surface.

Crater diameter is proportional to the mass and velocity of the impactor. based totally on the kinetic electricity equation, kinetic power=1/2mv^2, speed increases have a greater impact on a crater diameter than mass will increase when you consider that pace is squared.

The scale of the impact crater relies upon such factors as the size and velocity of the impacting item and the attitude at which it strikes the floor of the Earth. Meteorite flux is the full mass of extraterrestrial items that strike the Earth.

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The electric field for 100 cm is 1.62 MN/C

Length of the straight filament = (100cm) (1m/100cm) = 1m

Electric field for the straight conductor = [tex]E = \frac{2k_{e} \lambda}{r}[/tex]

E = [2(8.99 × 10^9 N·m^2/C^2)(90.0 × 10^-6 C/m)] / 1 m

E = 1.62 MN/C

The electric field is directed radially inward, toward the filament.

The electric field is a force produced by a charge near its surroundings. This force is exerted on other charges when brought in the vicinity of this field. SI unit of the electric field is N/C (Force/Charge).

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We can't tell what they're pouring glue on, but I would go for B since homogenous means of the same, and none of them are mixing things that are the same.

Answer:

A.B = -38

Explanation:

A = 2i + 9j and B = -i - 4j.

So, A.B = (2i + 9j).(-i - 4j)

= 2i.(-i) + 2i.(-4j) + 9j.(-i) + 9j.(-4j)

= -2i.i - 8i.j - 9j.i - 36j.j

since i.i = 1, j.j = 1, i.j = 0 and j.i = 0, we have

A.B = -2(1) - 8(0) - 9(0) - 36(1)

A.B = -2 - 0 - 0 - 36

A.B = -38

The electric flux through the hole is [tex]56.45\ webber[/tex] .

It is given , hollow sphere of radius 10.0cm surrounds a 10.0-μC charge.

The whole surface of hollow sphere [tex]= 4\pi r^2[/tex]

                                                            [tex]= 4\times 3.14\times (10 \times 10^{-2})^2 \\\\= 12.56\times 10^{-2} m^2[/tex]

Area of the hole ( both side ) [tex]= 2\times \pi r^2[/tex]

                                               [tex]= 2\times 3.14 \times (10^-^3)^2\\= 6.28 \times 10^-^6 m^2[/tex]

According to Gauss's theorem, the flow from a particular charge in the center is given by

 [tex]\phi= \frac{10\times10^-^6}{8.85\times 10^-^1^2}\\\\\phi=1.13\times10^6[/tex]

This flux flows through the surface of the sphere, so the flux  per unit area which is given by

[tex]= \frac{ 1.13\times 10^6 }{ 12.56\times 10^-^2} \\\\= 8.99 \times 10^6 \ weber / m^2[/tex]

Flux through area of hole is given by :

[tex]= 8.99\times10^6 \times6.28 \times 10^-^6\\ = 56.45 \ weber[/tex]

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Answer:

I feel like it's Convection because if its dry , then the water comes over it and it warms it also the sun gives it light it's gonna be more warmer. So I think your answer will be Convection.

Explanation:

Because conduction is Anything being warmed by objects touching.

And radiation is Anything being warmed by heat transferring through space.

And the meaning of Convection is Anything being warmed in WATER.

I hope this is right and I hope this will help you in any way!! <3

Answer:

D

Explanation:

(a) The horizontal component of its velocity is 12 m/s.

(b) The speed with which the block is moving at the end of the given time  is 25.36 m/s.

The horizontal component of velocity is the velocity of a projectile directed along x - axis or x direction of the projectile path.

The horizontal component of a velocity is not affected by gravity since the velocity is directed along horizontal path.

This causes the horizontal component of velocity to be constant. That is the initial horizontal velocity is equal to the final horizontal velocity.

Since the rock is thrown horizontally, the horizontal component of its velocity will be constant and equal to 12 m/s.

The final speed of the block at end of the 2.28 s will due to change in vertical velocity.

The final vertical velocity of the block is calculated as follows;

v = u + gt

where;

v = 0 + gt

v = gt

v = (9.8)(2.28)

v = 22.34 m/s

The resultant final speed if calculated as follows;

v = √(Vx² + Vy²)

where;

v = √(12² + 22.34²)

v = 25.36 m/s

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Answer: True

Explanation:

Answer:

There is no net force on the airplane.

Explanation:

correct answer for khan

Answer: The correct order of energy transformation is from CHEMICAL ENERGY to ELECTRICAL ENERGY to LIGHT ENERGY

Explanation:

Energy which is simply defined as the ability to perform work is made up of different forms, these include:

- Mechanical energy: Associated with machines at work.

- LIGHT ENERGY: produced by light bulbs

- ELECTRICAL ENERGY: taking in by television set and other electrical appliances.

- CHEMICAL ENERGY: stores in food and other fuels

- Sound energy: Produced by vibrating objects example piano, drums.

According to the law of conservation of energy, energy can neither be created nor destroyed in a closed system, but can be transformed from one form to another, thereby keeping the energy in the closed system constant. From the question, the circuit is an example of a closed system and the order of energy transformation taking place is from the battery (CHEMICAL ENERGY) to ELECTRICAL ENERGY(power source) to LIGHT ENERGY(bulb). I hope this helps, thanks.

Answer:

D the development of an ozone layer

Explanation:

the rest don't relate to the atmosphere

No , the phenomenon of wave interference apply to all form of the wave.

No , waves with alternative wave forms are trains of disturbance that add along once waves from totally different sources move through constant medium at constant time.

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Answer:

B is the answer

Explanation:

Answer:

Point A

Explanation:

There are 3 states of equilibrium, which are as follows:

1. Stable Equilibrium

2. Unstable Equilibrium

3. Neutral Equilibrium

1. Stable Equilibrium:

A body is said to be in stable equilibrium, if it comes back to its original position, when it is slightly  displaced. In this case the center of mass of the body is raised up as compared to the initial position.

Example: A book lying on a table, a map hanging on the wall, a stone suspended by a spring.

2. Unstable Equilibrium:

A body is said to be in unstable equilibrium if it does not come back to its original position when it is  slightly displaced. In this case the center of mass of the body is lowered, as compared to the initial position.

Example: A vertical standing pencil, a stick balanced on finger, a funnel resting on its pointed end.

3. Neutral Equilibrium:

A body is said to be in neutral equilibrium, if on being slightly displaced it does not come back to its  original position but occupies a new position similar to its original position. In this case the center of mass of the body remains at same height.

Example: A spherical ball on floor, a cone resting in horizontal position.

So, it is clear from the figure that when we will remove displacement the bus will come back to its original position. Therefore, this is the case of stable equilibrium.

So, the center of mass must have raised up. The original center of mass of the bus must be in the center. So, now the center of mass should have moved above center of bus, vertically.

Therefore, the center of mass of the bus is at point A  

The answers to the following questions are 1. Group B, 2. secret ingredient, 3. bad breath, 4. not effective cent percent, 5. the placebo effect.

1. The group of people who received the normal mint which does not contain Mr. krab's secret ingredient for breath mint is the control group. So, Group B of people are in the control group.

2. Independent variable in the one for which the research is being conducted. So in this case the secret ingredient in the breath mint is the independent variable.

3. Dependent variable is the one that affects the result of the research. So, the bad breath, in this case, is the dependernt variable.

4. The Group A of fifty people received the secret ingredient in breath mint; 30 people it reported better breath. Therefore the mint that has a secret ingredient is successful in reducing the amount of bad breaths in the individual but does not appear to be effective cent percent.

5. The 10 people in group B may have reported fresher breath due to the 'placebo' effect. It is the effect where the physical or mental health of the individual appears to improve after a fake, dummy, or sample treatment is given to him/her.

Therefore, 1. Group B, 2. secret ingredient, 3. bad breath, 4. not effective cent percent, 5. the placebo effect.

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Answer:

The correct option is C

Explanation:

The pendulum bob would return at the same time because the initial angle a pendulum bob is dropped does not affect it's period (the time it takes for the pendulum to move back and forth), however the one with a larger angle move faster but would eventually arrive at the same "starting point" due to varying displacements made.

c. No one wins as the bobs come back at the same time.

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Answer: 2.72727272......g/cm3^

Explanation:

D = g/cm^3

soo d = 15/5.5

A 15-g block of aluminum has a volume of 5.5 cm. Its density will be 2.73 kg /  [tex]cm^{3}[/tex]

Density is the measurement of how tightly a material is packed together. It is defined as the mass per unit volume. Density is defined as the ratio of mass of the object to the volume of the object. Different substances have different densities.

The mathematical expression for density is as follows: Density=Mass * Volume. The mass of a substance is expressed in kilograms and the volume is expressed in liter.

Density is an important concept because it allows us to determine what substances will float and what substances will sink when placed in a liquid. Generally, substances float so long as their density is less than the density of the liquid they are placed in.

Density Symbol: ρ

Density Formula: ρ = m/V, where ρ is the density, m is the mass of the object and V is the volume of the object.

Density = mass / volume

mass = 15 kg

volume = 5.5 [tex]cm^{3}[/tex]

density = 15 / 5.5 = 2.73 kg /  [tex]cm^{3}[/tex]

A 15-g block of aluminum has a volume of 5.5 cm. Its density will be 2.73 kg /  [tex]cm^{3}[/tex]

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Answer:d

Explanation:

The maximum height that the toy rocket reaches is 36feet.This is a type of projectile motion.

An object being launched or projected into the air will move in a projectile motion, with the sole acceleration coming from gravity. Projectile motion has many uses in both physics and engineering. Examples include the motion of any ball in sports, fireworks, and meteors entering the Earth's atmosphere. These things are known as projectiles, and the path they take is known as a trajectory. As stated in Motion Along a Straight Line, the motion of falling objects is a straightforward one-dimensional type of projectile motion with no horizontal movement. In this part, we focus on projectile motion in two dimensions while ignoring the effects of air resistance.

Explanation:

Given function is:

[tex]f(t)= -16t^{2} + 48t[/tex]

Where t = time in seconds since the toy rocket was shot.

f(t) = the toy rocket’s height in feet.

In order to get the maximum height, we need to find out the time when the rocket will reach maximum height.

For this,  [tex]f^{'} (t)=0[/tex] and find t, again check f''(t), if its value is negative, put t in f(t) to get the maximum height.

[tex]f^{'} (t)=\frac{d}{dt} (-16t^{2} +48t) =0[/tex]

-32t + 48 =0

t = 1.5

f''(t) = -32, This means t=1.5 will be the time when the rocket will be at maximum height, or mathematically t will be the point of local maxima.

So, maximum height = f(1.5) = -16*(1.5)² + 48*1.5 = 36feet

Therefore, the maximum height that the toy rocket reaches is 36feet.

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