. A ball hits the floor and rebounds after an inelastic collision. In this case


A ball hits the floor and rebounds after an inelastic collision. In this case

(a)     the momentum of the ball just after the collision is the same as that just collision

(b)     the mechanical energy of the ball remains the same in the collision

(c)     the total momentum of the ball and the earth is conserved

(d)     the  total energy of the ball and the earth is conserved

Best Answer

In an inelastic collision only momentum of the system may remain conserved. Some energy can be lost in the form of heat, sound etc.

correct option is (c)

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