Question

A ball is thrown from a point on the ground at some angle of projection.at the same time bird starts from a point

Answer 1

v cos θ = u

h = u^2 sin 2θ/ 2g

v sin θ= √2gh

R = (2usinθ ucosθ)/g

= 2√(2gh) u/g

=2u√(2h/g)