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Question

Physics Question on projectile motion

The relation between the time of flight of projectile TfT_f and the time to reach the maximum height tmt_m is

A

Tf=2tmT_f =2t_m

B

Tf=tmT_f =t_m

C

Tf=tm2T_{f} =\frac{t_{m}}{2}

D

Tf=2(tm)T_{f} =\sqrt{2}\left(t_{m}\right)

Answer

Tf=2tmT_f =2t_m

Explanation

Solution

Time to reach maximum height =tm= t_m Time to reach back to ground =tm= t_m Total time of flight, Tf=tm+tm=2tmT_f = t_m + t_m = 2t_m