Question

A car of mass 1000 kg is moving with velocity 10 m/s. On apllying brakes it comes to rest in 5 seconds. Find its initial momentum final momentum

Answer 1

Momentum = p

p=mv

v= v1 - v2

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t

v = 10 - 0

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5

v = 10 / 5

v = 2 m/s

p = mv

p = 2 × 1000

p = 2000 kg / ms

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