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Question:

How long must a 1500 N force act on a car to give it a momentum of 56000 kg-m/s starting from rest?​

Find out key variables:

Force: 1500 N

Momentum: 56,000 kg-m/s

Recall the formula: ΔMomentum (kg m/s) = Force (N) x Time Taken (s)

Solve:

56,000 = 1500 x time taken

time taken = 56,000/1500

time taken = 112/3

time taken = 37.33 seconds

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