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Questions  

A person can throw a stone to a maximum height of h metre. The maximum distance to which he can throw the stone is:

a
h
b
h2
c
2h
d
3h

detailed solution

Correct option is C

Height H is given byH = u2 sin2θ2gWhen θ = 900, H = Hmax = u22g= hRange is given by: R = u2sin 2θgNow Rmax = u2g(when θ = 450) = 2h

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