Homework Help: science

Posted by Rich on Sunday, September 19, 2010 at 8:40pm.

5a 30 kg girl and a 25 kg boy face each other on friction -free roller blades . the girl pushes the boy ,who moves away at a speed of 1.0 m/s . the girls speed is how many m/s /

science - TutorCat, Sunday, September 19, 2010 at 10:35pm
m1v1 = m2v2

(30kg)(v1)=(25kg)(1.0m/s)

solve for v1
science - magdalene, Monday, October 18, 2010 at 7:29pm
0.45

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