Question : A projectile is fired with a velocity 𝑣 at an angle θ with the horizontal. The speed of the projectile when its direction of motion makes an angle β with the horizontal is
(A) 𝑣 cos θ
(B) 𝑣 cos θ cos β
(C) 𝑣 cos θ sec β
(D) 𝑣 cos θ tan β
Answer: option (C)
Solution :
