261_Physics ProblemsTechnical Physics

261_Physics ProblemsTechnical Physics - Chapter 9 P9.31 The...

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Chapter 9 263 P9.31 The initial momentum of the system is 0. Thus, 120 100 .. mv m Bi af bg = ms and v Bi = 833 . m s Km m m v m v m i fG B =+ = = F H G I K J 1 2 10 0 1 2 1 2 183 1 2 1 2 1 2 1 2 183 22 . . m s bgaf ej or vv GB 917 += m s (1) From conservation of momentum, mv m v = . or = . (2) Solving (1) and (2) simultaneously, we find v G = 707 . m s (speed of green puck after collision) and v B = 589 . m s (speed of blue puck after collision) P9.32 We use conservation of momentum for the system of two vehicles for both northward and eastward components. For the eastward direction:
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .

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