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A body projected at an angle with the horizontal has a range 300 m. If the time of flight is 6 s, then the horizontal component of velocity is
Explanation
As we know, $R = u \cos \theta \times t$ Given, $R = 300 m$, $t = 6 s$ $\therefore u \cos \theta = R/t = 300/6 = 50 ms^{-1}$