Find out the angle of projection, if range is 4 times of maximum height

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Find out the angle of projection, if range is 4 times of maximum height

Options

(a) 60⁰
(b) 45⁰
(c) 30⁰
(d) 75⁰

Correct Answer:

45⁰

Explanation:

R=4H
2 u² sin θ cos θ/g = 4. u² sin² θ/ 2g
.·. tan θ =1
.·. θ = 45⁰

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Topics: Motion in Plane (93)
Subject: Physics (2479)

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