Speed deamplifier. In the figure block 1 of mass m1 slides along an x axis on a frictionless floor at speed 5.35 m/s. Then it undergoes a one-dimensional elastic collision with stationary block 2 of mass m2 = 3.61 m1. Next, block 2 undergoes a one-dimensional elastic collision with stationary block 3 of mass m3 = 3.85 m2. (a) What then is the speed of block 3? Are (b) the speed, (c) the kinetic energies, and (d) the momentum of block 3 greater than, less than, or the same as the initial values for block 1?

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