A e1 4cos 2 20 cos 2 1 2 2 2 cos 45 and 135 225 and

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Unformatted text preview: ller maximum height. 22.5 (b) e 0.8 3.6 cos 2 cos 0.2 cos 0.73543 42.656 21.328 and and and 1.8 0 0.67987 132.833 66.417 21.3 Chapter 13, Solution 174 Velocities just after impact Total momentum in the horizontal direction is conserved. mAvA mB v B 0 (1 kg) (2 m/s) mAvA mB v B (0.5 kg) (v A ) (1 kg) (vB ) 4 vA (1) 2vB Relative velocities. (v A vB ) e (0 2) (0.8) (vB vA ) vB vA 1.6 vB vA (2) Solving Eqs. (1) and (2) simultaneously, vB vA (a) 0.8 m/s 2.4 m/s Conservation of energy. T1 T1 1 2 mAv1 V1 0 2 1 mA (2.4 m/s)...
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