A cricketer can throw a ball to a maximum horizontal distance of 100, m . speed with which he throws

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3-2.Motion in Plane

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A cricketer can throw a ball to a maximum horizontal distance of $100\, m$. The speed with which he throws the ball is ......... $ms^{-1}$ (to the nearest integer)

A

$30$

B

$42$

C

$32 $

D

$35 $

Solution

(c) ${R_{\max }} = \frac{{{u^2}}}{g} = 100$ $⇒$ $u = 10\sqrt {10} = 32\,m/s$

Standard 11

Physics

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