Question: A pendulum clock is made with a metal rod. It keeps perfect time at a temperature of 20C. At a higher temperature, the metal rod

A pendulum clock is made with a metal rod. It keeps perfect time at a temperature of 20°C. At a higher temperature, the metal rod lengthens.

How will this change the clock's timekeeping?

A. The clock will run fast; the dial will be ahead of the actual time.

B. The clock will keep perfect time.

C. The clock will run slow; the dial will be behind the actual time.

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