complete the statement: in recoil
a)the initial momentum is zero
b)the object sticks together after collision
c)the total kinetic energy is conserved
d)the final speeds of the object are the same

b) is wrong. I think it's either c) or d) but i'm going to go with c).

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  1. Not c. A bullet leaves a gun, the gun recoils. The initial momentum is zero, the final total momentum is zero.

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