Asked by mari
A 40 kg boy runs at a speed of 3 m / s, he jumped into a real cart weighing 20 kg, at what speed will the cart continue to move?
Answers
Answered by
oobleck
conserve momentum.
40*3 + 20*0 = (40+20)v
40*3 + 20*0 = (40+20)v
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