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A ball of mass m moving with speed u collides witha smooth horizontal surface at angle θ with it asshown in figure. The magnitude of impulse impartedto surface by ball is [Coefficient of restitution ofcollision is el37.(1) mu(1+e)cosθ(3) mu(1-e)cosθ(2) mu(1 - e)sine(4)mu(1 + e)sinθ

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