Question

If range increaded 4times velocity will be

Answer 1

Answer:

Final answer : Angle of Projection is 45°

STEPS:

1) According to the question,

Horizontal Range = 4 * (Maximum Height) ---(1)

2) We know that when prijectile is fired at angle ( a) ,then

H(max) = u^2( sin^2(a)) / 2g

Horizontal Range, R = u^2 sin(2a)/g

where u is initial velocity.

Using equation (1),

Here, a is not equal to 0.

Hence, Projection angle is 45