A 2.00-kg block hangs from a rubber cord, being supported so that the cord is not stretched. The unstretched length of the cord is 0.500 m, and its mass is 4.65 g. The “spring constant” for the cord is 111 N/m. The block is released and stops momentarily at the lowest point.
(b) What is the length of the cord in this “stretched” position?
(c) If the block is held in this lowest position, find the speed of a transverse wave in the cord.
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