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A projectile is thrown into space so as ...

A projectile is thrown into space so as to have maximum horizontal range `R`. Taking the point of projection as origin, find out the co-ordinates of the point where the speed of the particle is minimum.

Text Solution

Verified by Experts

For maximum horizont5al range, `theta = 45^@`.
From `R = 4H cot theta = 4 H` [ As `theta = 45^@`. For maximum range.]
Speed of the particle will be minimum at the highest point of parabola.
So the co- ordinate of the highest point will be `(R//2,R//4)`.
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