Posted by Kim on Monday, October 16, 2006 at 11:28am.
write down in terms of the mass m and the velocity v of the body, expressions for
i) momentum
ii) the kinetic energy
use your answer to (b) to help calculate the mass and the velocity of the ball
momentum is mass*velocity
Kinetic energy is 1/2 mass*velocity squared.

physics  Saad, Wednesday, June 8, 2016 at 6:46pm
Pls a need the answer from you