8 note that the ball rebounds horizontally and that

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Unformatted text preview: cient of restitution: m A (v A ) x (0.062112)(v A ) x (v A ) n (vB ) x cos Dividing by cos 0, (v A ) n (v A ) n e [(v A )n (1) 0.124224(vB ) x (v A ) x cos ( vB ) n ( vB ) n mB ( v B ) x (v A ) x cos (v A ) x cos , (vB ) x cos 30 ( vB ) n ] e [(v A ) x cos ] and applying e 0.8 gives ( vB ) x (v A ) x (2) (0.8)(5.4666) Solving Eqs. (1) and (2) simultaneously, (v A ) x ( vB ) x 1.093 ft/s 3.28 ft/s vA vB 1.093 ft/s 3.28 ft/s...
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