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A projectile is given an initial velocit...

A projectile is given an initial velocity of `(hati+2hatj)m/s`, where `hati` is along the ground and `hatj` is along the vertical. If `g=10m/s^-2`, the equation of its trajectory is

A

`y=x-5x^2`

B

`y=2x-5x^2`

C

`4y=2x-5x^2`

D

`4y=2x-25x^2`

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SL ARORA-Motion in a Plane-Excercise
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