A projectile is projected in the upward direction making an angle of ` 45^@` with horizontal direction with a velocity of ` 150 ms^(-1)`. Then the time after which its inclination with the horizontal is ` 30^@` is (g=10 ms^(-2)).

A projectile is thrown in the upward direction making an angle of 60^@ with the horizontal direction with a velocity of 150 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 150 ms^-1 . Then the time after which its inclination with the horizontal is 45^@ is

A projectle is grojected in the upward direction maging an agnle of 60^@ will horizontal derection with a velocity of 147 ms^(-1) . The 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 with a velocity of 140 ms^-1 . Then the time after which its velocity makes an angle 45^@ with the horizontal is (Acceleration due to gravity g=10 ms^-2 )

A particle is projected at an angle theta =30^@ with the horizontal, with a velocity of 10ms^(-1) . Then