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, α = Angle of projection, and β = Inclination of the plane with the horizontal.)
A.	t = g cos β/2u sin (α - β)
B.	t = 2u sin (α - β)/g cos β
C.	t = g cos β/2u sin (α + β)
D.	t = 2u sin (α + β)/g cos β
Answer» C. t = g cos β/2u sin (α + β)

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