The time of flight (t) of a projectile on an upward inclined plane is( – McqOptions

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1.	The time of flight (t) of a projectile on an upward inclined plane is(where u = Velocity of projection, = Angle of projection, and = Inclination of the plane with the horizontal.)
A.	t = g cos /2u sin ( - )
B.	t = 2u sin ( - )/g cos
C.	t = g cos /2u sin ( + )
D.	t = 2u sin ( + )/g cos
Answer» C. t = g cos /2u sin ( + )

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