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What is the change in momentum of a car weighing 1500 kg when its speed increases from 36 km/h to 72 km/h uniformly ?

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What is the change in momentum of a car weighing 1500 kg when its speed increases from 36 km/h to 72 km/h uniformly ?

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Mass of car = 1500 kg

Velocity v1 = 36 km/hr = 10 m/s

Momentum p1 = 1500 x 10 = 15000 kg.m/s

Velocity v2 = 72 km/hr = 20 m/s

Momentum p2 = 1500 x 20 = 30000 kg.m/s

Change in momentum = p2 -p1 = 30000 – 15000 = 15000 kg.m/s

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