Instruction Manual

Model No. ET-8781 Mechanical Equivalent of Heat Tube
7
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11. Calculate the percentage of energy turned into heat using .
12. Where did most of the energy go?
13. Repeat steps 3-12 with twice the number of balls and one-half the number of balls.
14. How does the temperature and potential energy (PE=mgh) change when you change the
number of balls? Why? Explain your results.
Sample Data/Results
%=Q/PE x 100(%)