Question : A ball bounces on the θ inclined plane such that it rebounds...

A ball bounces on the θ inclined plane such that it rebounds perpendicular to the incline with a velocity { v }_{ A } . Determine the distance R to where it strikes the plane at B.Given : θ = 30 deg , { v }_{ A } = 40 ft/s , g = { 32.2ft/s }^{ 2 }