For a given velocity, a projectile has the same range 𝑅 for two angles of projection if 𝑡1 and 𝑡2 are the times of flight in the two cases then

Question : For a given velocity, a projectile has the same range 𝑅 for two angles of projection if 𝑡1 and 𝑡2 are the times of flight in the two cases then

(A) t_{1}t_{2}\propto R^{2}

(B) t_{1}t_{2}\propto R

(C) t_{1}t_{2}\propto \dfrac{1}{R}

(D) (C) t_{1}t_{2}\propto \dfrac{1}{R}^{2}

Answer : option (B)

Solution :

For a given velocity, a projectile has the same range 𝑅 for two angles of projection if 𝑡1 and 𝑡2 are the times of flight in the two cases then
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