Kinematics Question 607

Question: The range of a projectile is R when the angle of projection is $ 40{}^\circ $ . For the same velocity of projection and range, the other possible angle of projection is

Options:

A) $ 45{}^\circ $

B)$ 50{}^\circ $

C) $ 60{}^\circ $

D)$ 40{}^\circ $

Show Answer

Answer:

Correct Answer: B

Solution:

[b] Horizontal range R =$ \frac{{{u^{2}}}\sin 2\theta }{\text{g}} $ . Range it’s same for angle of projection $ \theta $ and $ (90{}^\circ -\theta ). $



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