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A 0.750 m long brass pendulum
experiences a 20.0°C temperature
increase.
(a) Calculate the original period (in s).
(b) What is the change (in s) in the
period?
(c) Find the ratio (in h) of the change in
period to the original period, and
calculate how long a clock run by this
pendulum would take to fall 1.00 s
behind the correct time.

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