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Question

A particle is projected from ground at some angle with the horizontal. Let P be the point at maximum height H. At what height above the point P should the particle be aimed to have range equal to maximum height?

A
H
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B
2H
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C
H/2
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D
3H
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Solution

The correct option is D H
AC=R/2,PC=H
we have to find h=MP
From the figure in previous question , we know that if H=R then tanθ=4
now tanθ=MCAC=MP+PCAC
4=h+HR/24=(h+H)2H
h=H

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