Recent content by cody7688

A person stands still on skateboard. He then jumps off at a velocity of 3 m/s. His mass is 50 kg and the skateboard has a mass of 3.5 kg. At what velocity does the skateboard shoot off?2. Is my answer correct? If not what did I do wrong?3. m1v1=m2v2 V= 42.857 m/s