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A pendulum clock uses a rock fastened to a very thin steel wire. This clock is...

A pendulum clock uses a rock fastened to a very thin steel wire. This clock is designed so that one "tick" of the clock (one complete period of the pendulum) is equal to precisely 14.6 s. The clock is then heated by 11.2°C. Will it now run "fast" or "slow"? Find the new value of the period of the clock. Assume the thermal expansion coefficients of the rock are both zero.

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