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Q.

A projectile can have the same range R for two angles of projection. If $t_{1} & t_{2}$ are the times of flight in the two cases, then the product of two times of flight is $\frac{k R}{g}$ , the value of ‘k’ is

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answer is 2.

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Detailed Solution

(2)
Sol. $T_{1} T_{2} = \frac{2 u}{g} \sin θ \cos θ$

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