Volumes of iron and water interact thermally
Suppose equal volumes of iron and water interact thermally. Which will change temperature more? If they are initially 30 Celsius degrees apart in temperature, how much will the temperature of each change? Explain your reasoning.
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If the hose is pulled so that the tension in it remains a constant 25.0 N, how long does it take to completely unwind the hose from the reel? Neglect the mass of the hose, and assume that the hose unwinds without slipping.
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