A man of 60kg is running on the road and suddenly jumps into stationary trolly car of mass 120kg. Then, the trolly car starts moving with velocity 2ms-1. The velocity of the running man was _________ ms-1, when he jumps into the car
A man of 60kg is running on the road and suddenly jumps into stationary trolly car of mass 120kg. Then, the trolly car starts moving with velocity 2ms-1. The velocity of the running man was _________ ms-1, when he jumps into the car
Asked by Shiksha User
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1 Answer
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Using conservation of momentum:
60 × v = (60 + 120) × 2
⇒ v = 6m/s
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