2 years ago

Complete the sentences to describe the difference between speed and velocity.

Physics

1 answer:

xeze [42]2 years ago

6 0

Answer:

velocity =displacement/time

and speed =distance/time

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Answer:

Force applied to stop the car = 1,250 N

Explanation:

Given:

Mass of car (M) = 1,000 kg

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Final velocity (V) = 0 m/s

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Force applied to stop the car.

Computation:

$v^2 = u^2 + 2as\\\\0^2=20^2+2(a)(160)\\\\0=400+320(a)\\\\Acceleration = a = -1.25m/s^2\\\\Force = ma \\\\Force= 1,000(1.25)\\\\Force = 1,250 N$

Force applied to stop the car = 1,250 N

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