A steel piano wire is 0.7 m long and has a mass of 5 g. It is
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A steel piano wire is 0.7 m long and has a mass of 5 g. It is stretched with a tension of 500 N.
(a) What is the speed of transverse waves on the wire?
(b) To reduce the wave speed by a factor of 2 without changing the tension, what mass of copper wire would have to be wrapped around the steel wire?
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