ch09-p133 - 133. By the principle of momentum conservation,...

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11 22 ˆˆ (0.500)(10.0i 12.0j) 5.00i 6.00j ˆ ˆ (0.750)(14.0)(cos110 i sin110 j) 3.59i 9.87 j mv =+ = + + ° = + G G (in SI units) and 31 2 (2.65 0.500 0.750)kg 1.40 kg mm m m =− − = = , we solve for v 3 and obtain 3 ( 1.01 m/s)i ( 11.3 m/s)j v =− +− G . (a) The magnitude of 3 v G is 3 || v = G 11.4 m/s. (b) Its angle is 264.9
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