A projectile is thrown with velocity 𝑣 making an angle θ with the horizontal. It just crosses the tops of two poles, each of height ℎ, after 1s and 3s respectively. The time of flight of the projectile is

April 18, 2022

by Ezee_Notes

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Physics Problems

Question : A projectile is thrown with velocity 𝑣 making an angle θ with the horizontal. It just crosses the tops of two poles, each of height ℎ, after 1s and 3s respectively. The time of flight of the projectile is

(A) 1 s

(B) 3 s

(D) 7.8 s

Answer : option (C)

Solution :

A projectile is thrown with velocity 𝑣 making an angle θ with the horizontal. It just crosses the tops of two poles, each of height ℎ, after 1s and 3s respectively. The time of flight of the projectile is