You have three tuning forks, A, B, and C. Fork B has a

Chapter 13, Problem 45P

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QUESTION:

Problem 45P

You have three tuning forks, A, B, and C. Fork B has a frequency of 441 Hz; when A and B are sounded together, a beat frequency of 3 Hz is heard. When B and C are sounded together, the beat frequency is 4 Hz. What are the possible frequencies of A and C? What beat frequencies are possible when A and C are sounded together?

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QUESTION:

Problem 45P

You have three tuning forks, A, B, and C. Fork B has a frequency of 441 Hz; when A and B are sounded together, a beat frequency of 3 Hz is heard. When B and C are sounded together, the beat frequency is 4 Hz. What are the possible frequencies of A and C? What beat frequencies are possible when A and C are sounded together?

ANSWER:

Solution 45PIntroductionWhen the ice cube is inserted to the coffee, first the ice cube will melt, and coffee will supplythe required energy. When all ice cube is melt, the temperature of the melt ice will start risingand will be stable at a final temperature where the temperature of the coffee and the waterwill be same.SolutionStep 1 3Suppose the mass of the ice cube is m ice. The latent heat of ice melting is L = 3.33 × 10J/kg. so the energy required to melt ice cube is

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