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Solve the all parts of given problem:
Problem: A grandfather's clock is calibrated at a temperature of 22°C. Assume that the pendulum is a thin brass rod of negligible mass with a heavy bob attached to the end.
Part A: On a cold day, when the temperature is 9°C, does the clock run fast or slow?
Part B: How much does it gain or lose in a 24 h period?
______ s
Please show me how work it out above problem.
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