What fraction of the initial kinetic energy was transferred

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Reference no: EM13532553

A 4.5-g object moving to the right at 30 cm/s makes an elastic head-on collision with a 9-g object that is initially at rest.

What is the velocity of the 4.5-g mass after the collision?

What fraction of the initial kinetic energy was transferred to the 9-g block?

Reference no: EM13532553

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