Kinematics Question 645

Question: It was calculated that a shell when fired from a gun with a certain velocity and at an angle of elevation 5π/36 rad should strike a given target. In actual practice, it was found that a hill just prevented the trajectory. At what angle (rad) of elevation should the gun be fired to hit the target

Options:

A) 5π36

B)11π36

C) 7π36

D)13π36

Show Answer

Answer:

Correct Answer: D

Solution:

[d] Ranges for complementary angles are same Required angle =π25π36=13π36



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