Asked by quora

A 45 kg student is riding on a 7kg scateboard with a velocity of +4m/s. The student jumps of the cart with a velocity of -1m/s. Find the velocity of the scateboard after the student jumped off.
Answered by oobleck
conserve momentum.
(45+7)*4 = 45(-1) + 7v
Answered by Ogochukwu
A student
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