Question : A projectile is fired with a velocity 𝑣 at right angle to the slope which is inclined at an angle θ with the horizontal. What is the time of flight?
(A) \dfrac{2v^{2}}{g}\tan \theta
(B) \dfrac{v^{2}}{g}\tan \theta
(C) \dfrac{2v^{2}}{g}\sec \theta
(D) \dfrac{2v^{2}}{g}\tan \theta sec \theta
Answer : option (A)
Solution :
