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Q. A guitar string is 74 cm long and has a mass of 3.6 g. The distance from the bridge to the support post is L = 60 cm, and the string is under a tension of 519 N. What is the frequency of the fundamental? What is the frequency of the first overtone? What is the frequency of the second overtone?

Q. A 165 pF capacitor is connected in series with an unknown capacitor, and as a series combination they are connected to a battery with an emf of 21.3 V. If the 165 pF capacitor stores 112 pC of charge on its plates, what is the unknown capacitance?

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