What is the wavelength of the third harmonic

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Reference no: EM13234185

1. What would be the cost of operating an 80-watt radio for 4 hours a day for 30 days if the cost of electrical energy is 3 cents per kilowatt-hour?

2. A standing wave is created on a string of length 1.0 m and fixed at both ends. What is the wavelength of the third harmonic?

Reference no: EM13234185

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