A projectile is thrown in the upward direction making an angle of 60° with the horizontal direction with a velocity of 147 ms-1. Then the time after which its inclination with the horizontal is 45°, is

Question:

A projectile is thrown in the upward direction making an angle of 60° with the horizontal direction with a velocity of 147 ms-1 Then the time after which its inclination with the horizontal is 45°, is

Options :

(a) 15s
(b) 10.98s
(c) 5.49s
(d) 2.754s

Answer :

Answer Steps :

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