Question

what is the angle of projection at which horizontal range and maximum height are equal?​

Answer 1

ANSWER

R=

g

u

2

sin2θ

H=

2g

u

2

sin

2

θ

g

u

2

sin2θ

=

2g

u

2

sin

2

θ

2sinθcosθ=

2

sin

2

θ

ucosθ=sinθ

tanθ=4

θ=tan

−1

4