If the initial temperature of the horseshoe is 600?c and, Ask an Expert

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Q. A bat at rest sends out ultrasonic sound waves at 59 kHz and receives them returned from an object moving directly away from it at 25m/s. What is the received sound frequency?

Q. A blacksmith drops a 0.60kg iron horseshoe into a bucket containing 25 kg of water.

If the initial temperature of the horseshoe is 600?C, and initial temperature of the water is 40?C, what is the equilibrium temperature of the system? Suppose no heat is exchanged with the surroundings.

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