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A projectile is thrown with a velocity v making angle θ, with horizontal as shown in figure. It just crosses the topes of two poles, each of the height h, after 1s and 3s, respectively :

The time of flight of the projectile is :

(A) 1s 

(B) 3s 

(C) 4s 

(D) 8s

1 Answer

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Best answer

Correct option (C) 4s


Time of flight T = t1 + t2 = 4s

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