ef152-rec-5-3 - EF 152 Physics for Engineers Spring, 2009...

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EF 152 – Physics for Engineers Spring, 2009 Recitation 5.3 Heat Task 1. The top 10 concept questions. 1. Two objects are made of the same material, but have different masses and temperatures. If the objects are brought into thermal contact, which one will have the greater temperature change? a. the one with the higher initial temperature b. the one with the lower initial temperature c. the one with the greater mass d. the one with the smaller mass e. the one with the higher specific heat 2. Two equal-mass liquids, initially at the same temperature, are heated for the same time over the same stove. You measure the temperatures and find that one liquid has a higher temperature than the other. Which liquid has a higher specific heat? a. the cooler one b. the hotter one c. both the same 3. The specific heat of concrete is greater than that of soil. A baseball field (with real soil) and the surrounding parking lot are warmed up during a sunny day. Which would you expect to cool off faster in the evening when the
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This note was uploaded on 04/07/2009 for the course EF 152 taught by Professor Ab during the Spring '08 term at University of Tennessee.

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ef152-rec-5-3 - EF 152 Physics for Engineers Spring, 2009...

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