Speed al11plijiel: In Fig. 9-75, block 1 of mass 1111
Chapter 9, Problem 86(choose chapter or problem)
Speed al11plijiel: In Fig. 9-75, block 1 of mass 1111 slides along an x axis on a frictionless floor with a speed of VIi = 4.00 mfs. Then it undergoes a one-dimensional elastic collision with stationary block 2 of mass 1112 = 0.500mj. Next, block 2 undergoes a onedimensional elastic collision with stationary block 3 of mass 1113 = 0.500m2' (a) What then is the speed of block 3? Are (b) the speed, (c) the kinetic energy, and (d) the momentum of block 3 greater than, less than, or the same as the initial values for block 1 ? Fig.9-75 86
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