A string of length 100m has a linear mass density of 25gm, Ask an Expert

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A string of length 10.0m has a linear mass density of 25g/m. The string is fixed at the top and has an object of mass 0.200 kg hanging from the bottom.

(a) What is the initial wave speed of a pulse sent up the string from the bottom.

(b) What is the speed of the pulse as it approaches the top of the string?

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