Momentum and CollisionHard

Question

A particle moving horizontally collides with a fixed plane inclined at 60o to the horizontal. If it bounces vertically. the coefficient of restitution is :

Options

A.
B.
C.
D.None of these

Solution


Along tangent
ucos θ  = v sin θ ....(i)
Along normal
e = = cot2 θ = cot2 60 =

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