A projectile has initially the same horizontal velocity as it would acquire if it had moved from rest with uniform acceleration of 3ms^(-2)for 0.5 minutes. If the maximum height reached by it is 80m then the angle of projection is

A projectile has initially the same horizontal velocity as it would ac

1.	A projectile has initially the same horizontal velocity as it would acquire if it had moved from rest with uniform acceleration of 3ms^(-2)for 0.5 minutes. If the maximum height reached by it is 80m then the angle of projection is
Answer» `tan^(-1)(3)` `tan^(-1)(3/2)` `tan^(-1)(4/9)` `SIN^(-1)(4/9)` Answer :C