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Horizontal and Vertical Components of Projectile Motion

A particle is...

Question

A particle is dropped on $E a r t h$ from height $R$ (radius of Earth) and it bounces back to a height $R / 2$ coefficient of restitution for collision is (ignore air resistance and rotation of Earth)

A

\frac{2}{3}

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B

\sqrt{\frac{2}{3}}

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C

\sqrt{\frac{1}{3}}

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D

\sqrt{\frac{1}{2}}

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Solution

The correct option is D $\sqrt{\frac{1}{2}}$

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