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

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