A scientist whose scale is broken but who has a working
Chapter 19, Problem 19.53(choose chapter or problem)
A scientist whose scale is broken but who has a working 2.5 kW heating coil and a thermometer decides to improvise to determine the mass of a block of aluminum she has recently acquired. She heats the aluminum for 30 s and finds that its temperature increases from 20C to 35C. What is the mass of the aluminum?
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