Homework Help: Physics help please

Posted by Deb on Wednesday, March 5, 2008 at 4:33pm.

A 40-kg child is standing still on a 10-kg skateboard, which is also at rest. If the child walks to the right at 2 m/s, what is the resulting velocity of the skateboard?

Physics help please - bobpursley, Wednesday, March 5, 2008 at 5:19pm
momentum net is zero.
0=40*2 + 10*v

solve for v.
Physics help please - anna, Wednesday, March 5, 2008 at 7:44pm
Don't know

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