Question

A body is projected at such as angle
that the horizontal range is three times
the greatest height. Find the angle of
projection​

Answer 1

Which subject is this

Answer 2

Hey mate !!!

R = (2u^2 Sinx Cosx)/g

H = u^2 Sin^2x / (2g)

R = 3H

2u^2 Sinx Cosx / g = 3 * (u^2 Sin^2x / (2g))

4 Sinx Cosx = 3 Sin^2x

Sinx / Cosx = 4/3

Tanx = 4/3

x = 53°

Angle of projection is 53°

#RITZ