Asked by Anonymous

A woman with a mass of 50kg runs at a speed of 8m/s and jumps onto a giant skateboard with a mass of 25kg. What is the combined speed of the woman and the skateboard?

Answered by oobleck
conserve momentum.
50*8 + 25*0 = (50+25)*v
Answered by Ashley
I think it is 600. Anonymous, do me a favor and go to my question and answer it. k?
Answered by oobleck
Come on. You're saying that when the woman jumps on the skateboard, she speeds up from 8m/s to 600m/s ??
Do a sanity check when you think you have an answer.
The next step is
400 = 75v
Still think v=600?
Answered by Ashley
ok, fine...
Answered by Katie
So what’s the answer??
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