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kodGreya [7K]
3 years ago
5

12) If you are travelling at 0.75c how fast are you moving? (3 points)

Physics
1 answer:
Roman55 [17]3 years ago
4 0

Answer:

Explanation:

Speed of light (c) is 299792458m/s in vacuum. If you move at 0.75c your speed will be

v=0,75x300000000

approximately v= 225000000m/s

  v= 2,25x10⁶m/s

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6.
S_A_V [24]

The distance in meters she would have moved before she begins to slow down is 11.25 m

<h3>LINEAR MOTION</h3>

A straight line movement is known as linear motion

Given that Ann is driving down a street at 15 m/s. Suddenly a child runs into the street. It takes Ann 0.75 seconds to react and apply the brakes.

To know how many meters will she have moved before she begins to slow down, we need to first list all the given parameters.

  • speed = 15 m/s
  • time t = 0.75 s

From definition of speed,

speed = distance / time

Make distance the subject of the formula

distance = speed x time

distance = 15 x 0.75

distance = 11.25m

Therefore, the distance in meters she would have moved before she begins to slow down is 11.25 m

Learn more about Linear motion here: brainly.com/question/13665920

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Answer:

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Explanation:

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3 years ago
Why the center of Newton rings is dark?​
RideAnS [48]
The point of contact the path difference is zero but one of the interfering ray is reflected so the effective path difference becomes λ/2 thus the condition of minimum intensity is created in the center.
3 0
3 years ago
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ILL MARK BRAINLIEST <br>PLEASE HELP <br>2.Write the formula associating energy with power ​
bekas [8.4K]

Answer:

The formula for potential energy depends on the force acting on the two objects. For the gravitational force the formula is P.E. = mgh, where m is the mass in kilograms, g is the acceleration due to gravity (9.8 m / s2 at the surface of the earth) and h is the height in meters.

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The fastest man alive can run the 100 meter dash in 9.58 seconds, calculate average speed in meters per second
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