A particle of mass $m$ strikes the ground inelastically, with coefficient of restitution $e$
A particle of mass $m$ strikes the ground inelastically, with coefficient of restitution $e$
- A
$\frac{{\tan \,\alpha }}{{\tan \,\theta }} = e$
- B
$\frac{{\tan \,\theta }}{{\tan \,\alpha }} = e$
- C
${\tan ^2}\,\theta + {\tan ^2}\,\alpha = 1$
- D
${\tan ^2}\,\theta + {\tan ^2}\,\alpha = {e^2}$
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