A ball s projected from a point on horizontal ground. The speed of projection is 30 m/s and the greatest height reached is 20 meter. Assuming no air resistance, find the angle of projection above the horizontal ?
1 Answer
Jun 28, 2017
The angle is
Explanation:
Resolving in the vertical direction
The initial velocity is
The height is
The acceleration is
The velocity, at the greatest height is
We apply, the equation of motion