What percentage change in tension of one of strings
The corresponding violin strings on two violins in an orchestra are found to produce a beat frequency of 2 Hz when a frequency of 660 Hz is played. What percentage change in the tension of one of the strings would bring them to the same frequency?
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Suppose the gravitational field vector of a spherically symmetric mass distribution is a constant, i.e., independent of the distance from the center of the sphere. Determine the mass density ρ(r).
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