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Question: A cricketer can throw a ball to a maximum horizontal distance of 100 m. The speed with which he thro...

A cricketer can throw a ball to a maximum horizontal distance of 100 m. The speed with which he throws the ball is (to the nearest integer)

A

30 ms–1

B

42ms–1

C

32ms–1

D

35ms–1

Answer

32ms–1

Explanation

Solution

Ru2gmax{R\frac{u^{2}}{g}}_{\max}= 100 (when θ=45\theta = 45{^\circ})

u=1000=31.62m/s.u = \sqrt{1000} = 31.62m/s.