A large wedge BCD, having its inclined surface at an angle theta = 45^(@) to the horizontal, is travelling horizontally leftwards with uniform velocityu = 10 m//s At some instant a particle is projected vertically up with speed V = 20 m//s from point A on ground lying at some distance right to the lower edge B of the wedge. The particle strikes the incline BC normally, while it was falling. [g = 10 m//s^(2)] (a) Find the distance AB at the instant the particle was projected from A. (b) Find the distance of lower edge B of the wedge from point A at the instant the particle strikes the incline. (c) Trace the path of the particle in the reference frame attached to the wedge.

A large wedge BCD, having its inclined surface at an angle theta = 45^

1.	A large wedge BCD, having its inclined surface at an angle theta = 45^(@) to the horizontal, is travelling horizontally leftwards with uniform velocityu = 10 m//s At some instant a particle is projected vertically up with speed V = 20 m//s from point A on ground lying at some distance right to the lower edge B of the wedge. The particle strikes the incline BC normally, while it was falling. [g = 10 m//s^(2)] (a) Find the distance AB at the instant the particle was projected from A. (b) Find the distance of lower edge B of the wedge from point A at the instant the particle strikes the incline. (c) Trace the path of the particle in the reference frame attached to the wedge.
Answer» ANSWER :(a) `15 m` (B) 15 m (C) PARABOLIC