Speed deamplifier. In Fig. 9-74, block 1 of mass m1 slides along an x axis on a
Chapter 9, Problem 85(choose chapter or problem)
Speed deamplifier. In Fig. 9-74, block 1 of mass m1 slides along an x axis on a frictionless floor at speed 4.00 m/s. Then it undergoes a one-dimensional elastic collision with stationary block 2 of mass m2 2.00m1. Next, block 2 undergoes a one-dimensional elastic collision with stationary block 3 of mass m3 2.00m2. (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? 1 3Figure 9-74 85.
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