When a police officer observes a vehicle in motion, what are some things that the officer might notice about the manner in which the vehicle is being driving that indicate the driver might be impaired

Answer:

The intensity of the electric field is

[tex]|E|=10654.37 \:N/C[/tex]

Explanation:

The electric field equation is given by:

[tex]|E|=k\frac{q}{d^{2}}[/tex]

Where:

As we need to find the electric field at the location of the balloon, we just need the charge equal to 1.99*10⁻⁷ C.

Then, let's use the equation written above.

[tex]|E|=(9*10^{9})\frac{1.99*10^{-7}}{0.41^{2}}[/tex]

[tex]|E|=10654.37 \:N/C[/tex]

I hope it helps you!

Answer:

10650

Explanation:

just round that answer to four significant figures and you get that answer

R is the radius of speed curvature of the turn, g is the acceleration due to gravity, and μs is the coefficient of static friction.

θ is the angle of banking. For no slippage to occur even when the contribution of the frictional force in the centripetal force is not considered, we ignore the effect of friction and get the Time. Well, if the radius must be a single measurement, then the turn will be perpendicular.

While you're gathering necessary data, there's a discrepancy in your Average speed. Unless there are also tighter or unbanked turns, it's difficult to imagine the average speed=cornering speed.

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Answer:

2.8

Explanation:

power=work done/time

so, to calculate time

we know,

time(s)=work done(j)/power(w)

=350/125

=2.8

Answer:

What is an electromagnetic wave

Explanation:

Electromagnetic radiation is also more commonly known as light, light travels in waves- and light travels at the same speed as electromagnetic waves. :)

Answer:

Movement skills in square dancing transfer to ballroom dancing when they both require you to dance in a rhyme.

Explanation:

Answer:

14

Explanation:

A sound wave in a steel rail has a frequency of 620 Hz and a wavelength of 10.5 m. What is the speed of sound in steel? U f = ? S f = 3 x 108 m/s) / 0.06 m 14 so it will be 14

Answer:

it will increase the frequency of collisions between the two reactants

Explanation:

mark brainliest?

Answer:

0.500 T

Explanation:

Since the change in time and the number of coils are both 1, I set the problem up to be 1.3=(1.5(x)-13(x)). I then plugged in numbers for x until I got the answer to be 1.3 V.

This is not a gamma radiation because there is a change in the atomic number of the daughter nucleus. It is rather a beta decay.

We have to note that when we talk about a decay we are talking about the manner that we can be able to break up the atom of a radioactive substance so that we can be able to produce a new substance.

We can see now that what we have here is the loss of a beta ray or an electron from the specie that is shown. This is evidenced by the change in the atomic number of the daughters nucleus.

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Respuesta:

3673.5m

Explicación:

Falta el dato de energía para poder resolver el problema pero vamos a suponer un dato para ver el procedimiento.

Supongamos que se emplean 3600030 J para elevar un cuerpo de 100 kg una cierta altura, aumentando su energía potencial. Los datos son:

Para calcular la altura alcanzada (h), podemos usar la siguiente fórmula.

Ep = m × g × h

h = Ep/m × g

h = 3,600,030 J/100 kg × 9.8 m/s² = 3673.5m

Answer:

True

Explanation:

Newton's first law of motion is applicable to both moving and nonmoving objects. ... It would take an unbalanced force to keep an object in motion at a constant velocity. False- balanced force. It is the natural tendency of all objects to eventually come to a rest position.

Kinetic friction force, or f k = k F N = 3.1N, is the amount of frictional force acting on the block.

Static friction is the friction that exists between two systems when they are in contact and immobile with respect to one another. Kinetic friction is the term for the resistance that exists between two systems while they are in contact and moving in relation to one another.

Either static or kinetic friction We decide on +x right and +y up. Applying Newton's second law to these axes:

F−f=ma

 P+F n −mg=0

where F=6.0 N and m=2.5 kg is the mass of the block.

          F N =(2.5kg)(9.8m/s 2 )–10N=14.5N.

This implies ,fs, max =μ s F N=6.6N, which is larger than the 6.0N rightward force. The block, which was previously at rest, stays in place as a result.

Putting a = 0

f=P=6.0 N is the static friction force that results from plugging the first of our equations above.

This suggests that, fs, max = s F N =5.8N, which is smaller than the 6.0 N rightward

force, which causes the block to move. Therefore, we are working with kinetic data instead of static data.

Eq. reveals that friction is f k = k F N =3.6 N.

which (as expected) is less than the 6.0 N rightward force. Thus, the block moves. The kinetic friction force, then, is f k =μ k F N =3.1N.

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The acceleration is still -9.81 m/s2, and the instantaneous velocity of the shuttlecock when it hits the ground is [tex]V_{int}[/tex] = [tex]\sqrt{U^{2} + 19.6H }[/tex]

Acceleration is determined as the rate of change of velocity of an object with respect to time. Acceleration is represented by the SI unit is meter per second squared (m/[tex]s^{2}[/tex]). Acceleration is denoted by "a".

Instantaneous velocity is the rate of change of position for a time interval which is almost zero (very small). The magnitude of the instantaneous velocity is instantaneous speed. It is measured by using SI unit m/s.

Mathematically, the equation for acceleration is:

a =  [tex]v\frac{dv}{dt}[/tex]

ah = [tex]v^{2}[/tex] - [tex]u^{2}[/tex]

Where the acceleration is still -9.81 m/s2

Hence, [tex]v^{2}[/tex] - [tex]u^{2}[/tex] = 2 (-9.81) * -H

Therefore, [tex]v_{int}[/tex] = [tex]\sqrt{U^{2} + 19.6H }[/tex]

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The distance between Platform 9 and 3/4 and Hogwarts at a speed of 100miles/hour is 400miles.

Distance is defined as an object's total movement with or without regard for direction. Distance can be defined as how much ground an object has covered regardless of its starting or ending point. Distance can be measured as Speed multiplied by Time.

If it takes 4 hours from Hogwarts express, at a speed of 100mi/hr to Platform 9 and 3/4 to Hogwarts, using the formula;

Distance = Speed x Time

Distance = 100 miles/hour x 4 hours

Distance = 400 miles

Therefore, the distance to platform 9 and 3/4 from Hogwarts express is 400 miles.

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Answer:

3 km displacement

Explanation:

I'm pretty sure that's the answer, I'm so sorry if it's not

The average speed of a bike rider who rides for 3 hours at 40 km/hr and two more hours at 50 km/hr can be calculated by adding the total number of kilometers ridden and dividing it by the total time taken.

In this case, the rider has ridden for a total of 5 hours and has covered a total of 290km (3×40 + 2 × 50). Therefore, the average speed of the rider is 58km/hr (290/5).

Average speed can be defined as the rate at which an object covers a given distance over a given period. It is usually measured in kilometers per hour (km/hr), meters per second (m/s), or miles per hour (mph).

Average speed is calculated by dividing the total distance traveled by the total time taken. In this case, the rider has ridden for a total of 5 hours and has covered a total of 290km (3 × 40 + 2 × 50).

Therefore, the average speed of the rider is 58km/hr (290/5).

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Answer:

Im pretty sure its c

Explanation:

If two blocks are connected by a string of negligible mass that passes over massless pulleys, the system can be analyzed using the principles of Newton's second law and the conservation of energy.

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Answer:

2.58 m/s

Explanation:

To determine the theoretical speed at which the golf ball must have left the floor, you can use the principle of conservation of energy, which states that the total energy in a closed system remains constant. In this case, we can use the fact that the ball's potential energy changes as it rises and falls.

First, we know that the efficiency of the ball is 61.0%, so we can assume that 39% of the energy is lost as heat, sound, etc. We can calculate the initial kinetic energy (Ei) of the ball as:

Ei = Efficiency * (Initial Potential energy - Final Potential energy)

Ei = 0.61 * (0.444 - 0.271) = 0.119J

Now, we can use this value to calculate the velocity (Vi) of the ball as it left the floor, by using the equation of kinetic energy:

Ei = 0.5 * m * Vi^2

Where:

m = mass of the ball = 0.0453 kg

Vi = velocity of the ball when it left the floor

By substituting the values in the equation we get:

0.119 = 0.5 * 0.0453 * Vi^2

Solving for Vi:

Vi = sqrt(0.119 / (0.5 * 0.0453))

Vi ≈ 2.58 m/s

So, the theoretical speed with which the ball must have left the floor is approximately 2.58 m/s

Keep in mind that this is a theoretical speed and there may be a variance with real-world observations.

Answer:

the pressure exerted by the bronze on the floor is 600 N/m²

Explanation:

Given;

weight of the bronze statue, F = 2400 N

width of the bronze base, w = 1 m

length of the bronze base, l = 4 m

The area of the bronze base = l x w

                                                = 4 x 1

                                                 = 4 m²

The pressure exerted by the bronze on the floor is calculated as;

P = F/A

P = 2400/4

P = 600 N/m²

Therefore, the pressure exerted by the bronze on the floor is 600 N/m²

The coefficient of kinetic friction between the surface and the mass is  0.1944.

A force that acts between moving surfaces is referred to as kinetic friction. A force acting in opposition to the direction of a moving body on the surface is felt. The two materials' coefficient of kinetic friction will determine how much force is applied.

The ratio of the normal force to the kinetic friction force generated by contacting surfaces is known as the coefficient of kinetic friction.

Hence, The coefficient of kinetic friction between the surface and the mass is = 14 N/72 N

= 0.1944

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False. The Moon will typically appear in a crescent phase the day after a total lunar eclipse.

What is lunar eclipse?

A lunar eclipse is an astronomical event that occurs when the Moon passes directly behind the Earth into its umbra (shadow). During a lunar eclipse, the Earth blocks the light from the Sun from reaching the Moon.

The Moon, in turn, takes on a reddish hue as the Earth's shadow covers it. A lunar eclipse can only occur at Full Moon, when the Sun and Moon are in exact alignment with Earth in the middle. The Moon will usually appear larger than usual during a lunar eclipse, due to the reddish hue it takes on.

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Hello there!

Answer:

3600 J

Explanation:

[tex]E = \frac{mv^2}{2}[/tex]

So m = 50 kg and v = 12 m/s then

[tex]E = \frac{50 * 12^2}{2} J = 3600 J[/tex]

Mass = 50 kg

Velocity = 12 m/s

The kinetic energy of an object.

The formula that is used to find the kinetic energy of an object is given by :

[tex]K = \frac{1}{2}mv^{2} \\K = \frac{1}{2} X 50 X 12^{2} \\K = \frac{1}{2} X 50 X 144[/tex]

Torque is calculated using the moment arm is Torque =Lever Arm x Fy (or Force sin( )) Torque = Force (Fm) x Moment Arm.

Calculating Torque: The formula for torque is =|r| |F|sin = | r | | F | sin, where |r| is the size of the lever arm, |F| is the size of the force vector, and is the angle created between the two vectors.

In mechanics, they have slightly different meanings but the same meaning in physics. The moment is a static force, whereas the torque is a moving force, even though they both have the same unit, N-m. Torque is utilized when there is rotation, whereas moment is used when there isn't.

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The distance between the Naval Navigator and the sunken cargo was found to be 2175 m by using sonar with 120kHz frequency and a wavelength of 3mm.

Sonar is largely used by NOAA scientists to create nautical charts, find underwater navigational hazards, find and map things on the bottom like shipwrecks, and map the actual seafloor. Sonar comes in active and passive varieties.

Speed of sound in water  =1450m/s

Time lag between transmission and reception of Sonar waves =3 s

sound waves travel a distance is twice the distance between the navigator and cargo (2S) in this time lag.

Time taken for the sound to reach the submarine  = 1/2 ×3 = 1.5s

Distance between the Navigator and the sunken cargo, S=1450×1.5s =2175m.

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Answer:

The answer is B

Explanation:

I took the test for k12 and the answer was "Light moves in a straight line except at surfaces between different transparent materials, where its path bends.

Hope this is helpful to anyone wondering what the answer is :)

The path which light takes as it travels is: B. light moves in a straight line except at surfaces between different transparent materials, where its path bends.

In Science, light can be defined as a form of electromagnetic wave that travels without any medium for its propagation. Also, light refers to a form of wave known as a visual signal because it can be seen with the eyes.

According to the model of light wave, the path which light takes as it travels is a straight line except when at surfaces between different transparent materials such as glass, where its path bends due to a phenomenon known as refraction.

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Answer:

To solve this problem, you can use the formula F = ma, where F is the force applied to an object, m is the mass of the object, and a is the acceleration of the object. In this case, the force applied to the object is 51.3 newtons and the acceleration of the object is 48.7 m/s2. So, you can set up the equation like this:

51.3 newtons = m x 48.7 m/s2

To solve for the mass of the object, you can divide both sides of the equation by 48.7 m/s2:

51.3 newtons / 48.7 m/s2 = m x 48.7 m/s2 / 48.7 m/s2

This simplifies to:

1.05 kg = m

So, the mass of the softball is approximately 1.05 kilograms.