Question

A body is projected at an angle of 30degree from horizontal, what should be the other angle of projection for which the horizontal range will be same. if H1 and H2 are the maximum vertical distance covered in the two cases, then what is the relation between range, H1 and H2.​

Answer 1

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Answer 2

Explanation:

Range will be same only if value of sin2a for 1st projectile is equal to the value of sin2b for second projectile.

Given that a=30°

For same value in sin function

sina = sin (180-a)

So the other angle is 180-30 = 150°