A projectile is thrown into space so as to have maximum horizontal range $R$. Taking the point of projection as origin, the coordinates of the points where the speed of the particle is minimum are-
A projectile is thrown into space so as to have maximum horizontal range $R$. Taking the point of projection as origin, the coordinates of the points where the speed of the particle is minimum are-
- A
$(R, R)$
- B
$\left( {R,\frac{R}{2}} \right)$
- C
$\left( {\frac{R}{2},\frac{R}{4}} \right)$
- D
$\left( {R,\frac{R}{4}} \right)$
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