p = mv for each (B is zero)
KE = 1/2 mv^2 (again B is zero)
A ball A of mass .202 kg is moving at a velocity of 2.0 m/s toward a ball B that is at rest.
(a) Calculate the initial momentum for Ball A and Ball B.
(b) Calculate initial Kinetic energy for Ball A and Ball B.
My doubt since its asking for initial moment only, can I simply calculate each separately? The collision hasn't occurred yet.
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