If the coefficient of restitution be 0.5, wha | vedclass

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Question

$\%$ change in $\mathrm{K} \mathrm{E}=\frac{\Delta \mathrm{K}}{\mathrm{k}_{\mathrm{i}}} 	imes 100 \%$

$=\left[\left(\frac{\mathrm{v}_{\mathrm{f}}}

Vedclass · Accepted Answer

$75$

Vedclass · Answer

$\%$ change in $\mathrm{K} \mathrm{E}=\frac{\Delta \mathrm{K}}{\mathrm{k}_{\mathrm{i}}} 	imes 100 \%$

$=\left[\left(\frac{\mathrm{v}_{\mathrm{f}}}{\mathrm{v}_{\mathrm{c}}}ight)^{2}-1ight] 	imes 100 \%$

$=\left(e^{2}-1ight) 	imes 100 \%$

$=-75 \%(75 \%$ loss)

If the coefficient of restitution be $0.5,$ what is the percentage loss of energy on each rebounding of a ball dropped from a height ............ $\%$

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