Physics Homework Help!!?

Posted on 2015-11-30 07:00:00 in Physics by LOVELY

Data:
Diameter of drum = 7.6 cm
Mass of drum: 263 g
Specific heat capacity of drum: 0.327 cal/(g°C)
Change in temperature of the drum: 9.3 °C
Mass of the hanging mass: 5.00 kg

Link:
https://www.pa.msu.edu/courses/2015fall/PHY251/labfiles/Lab10.pdf

Questions:
a. How much heat energy is added to the drum in this experiment (in calories)?

b. If all of the mechanical work goes into heat, what is the size of the work done |?W| (in Joules)?

c. What is the circumference of the drum?

d. How many turns of the crank are needed to raise the temperature of the drum by the amount specified above?

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