A man can throw a stone to a maximum distance of 80 m. The maximum height to which it will rise in metre, is

Question

Dr. Abubacker · Accepted Answer

(b) $Maximum\ horizontal\ range = 80\ m$
∵ $	heta = 45{^\circ}\ m$
$	herefore\ \ \frac{u^{2}}{g} = 80\ m$
$Maximum\ height,\ h = \frac{u^{2}\sin^{2}	heta}{2g}$
$= \frac{80}{2}\left( \sin^{2}45{^\circ} ight) = 20\ m$

Q. A man can throw a stone to a maximum distance of 80 m. The maximum height to which it will rise in metre, is

Explanation

Reviewed by Dr. Abubacker

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