# A particle is projected up an inclined plane with initial speed 𝑣 = 20ms−1 at an angle θ = 30° with plane. The component of its velocity perpendicular to plane when it strikes the plane is

Question: A particle is projected up an inclined plane with initial speed 𝑣 = 20ms −1 at an angle θ = 30° with plane. The component of its velocity perpendicular to plane when it strikes the plane is

(A) $10\sqrt{3}ms^{-1}$

(B) $5\sqrt{3}ms^{-1}$

(C) $10ms^{-1}$

(D) Data is insufficient