Kinematics Question 696

Question: The horizontal range it’s four times the maximum height attained by a projectile. The angle of projection is

Options:

A) $ 90^{o} $

B) $ 60^{o} $

C) $ 45^{o} $

D) $ 30^{o} $

Show Answer

Answer:

Correct Answer: C

Solution:

[c] $ R=4H\cot \theta , $ if R = 4H

then $ \cot \theta =1\Rightarrow \theta =45{}^\circ $



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