A ball is dropped onto a floor from a height of

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Work Energy and Power · Work Energy and Power

Problem

A ball is dropped onto a floor from a height of

10\,\text{m}

. If

20\%

of its initial energy is lost, then the height of bounce is (1)

2\,\text{m}

(2)

4\,\text{m}

(3)

8\,\text{m}

(4)

6.4\,\text{m}

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