phycis
posted by najma on .
a bullet of mass 0.01kg is fired into a sandbag of mass 0.49kg handing from atree.the sandbag with the bullet embedded into it swing away at 10m/s find: a.the momentum after collision b.the momentum before the collision c.the velocity of the bullet

a. (.01+.49)10
b. same as a.
c. .01V=momentum in b. 
A=5 b=5 c= 0.01