A grandfather pendulum has a simple brass rod of length l, Ask an Expert

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A grandfather pendulum has a simple brass rod of length L. One night, the temperature in the house is 24.0 oC and the period of the pendulum is 1 second. The clock keeps correct time at this temperature.

1) What is the length of the pendulum's rod?

L = cm

2) The temperature in the house quickly drops to 16.0 oC just after 10PM, and stays at that value. By how much does the length of the pendulum change? The coefficient of linear expansion for brass is ? = 1.9E-05 K-1. ?L =

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