Two blocks of mass raA and mB, resting on a
Chapter 9, Problem 9.94(choose chapter or problem)
Two blocks of mass raA and mB, resting on a frictionlesstable, are connected by a stretched spring and then released(Fig. 9-51). (a) Is there a net external force on the system?(b ) Determine the ratio of their speeds, v a / vq . (c) Whatis the ratio of their kinetic energies? (d) Describe themotion of the cm of this system. (e) How would the presenceof friction alter the above results? FIGURE 9-51 94.
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