Physics, asked by antounwana, 4 months ago

A 45kg student is ridding on a 7kg skateboard with a velocity 4m/s.The student jumps off the skateboard with the velocity −1m/s. Find the velocity of the skateboard after the student jumped off.

Answers

Answered by iamsadafhasan

40

Answer:

Here's your answer!

Explanation:

conserve momentum.

(45+7)*4 = 45(-1) + 7v.

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