SAT Subject Physics Practice Question 199: Answer and Explanation

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Question: 199

45. If a 50 g block of solid marble (specific heat = 0.9 kJ/kg•°C), originally at 20°C, absorbs 100 J of heat, which one of the following best approximates the temperature increase of the marble block?

A. 1°C
B. 2°C
C. 4°C
D. 10°C
E. 20°C

Correct Answer: B


We use the equation q = mcΔT to find ΔT.

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