A 200-Kg Metal Block Slides on a Rough, Horizontal Surface Inside

question 35

Multiple Choice

A 2.00-kg metal block slides on a rough, horizontal surface inside an insulated pipe. After sliding a distance of 500.0 m, its temperature is increased by 2.00 °C. Note: Assume that all of the heat generated by frictional heating goes into the metal block. For this metal, the specific heat capacity is 0.150 cal/(g · C°) .
-How much work does the force of friction do on the block?

• A)zero joules
• B)300 J
• C)-300 J
• D)2510 J
• E)-2510 J

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