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Apendulum clock with a pendulum made of brass is designed to keep accurate time at 29°c. if the clock operates at 0.0°c, (a) does it run too fast or too slow, and (b) what is the magnitude of its error, in seconds per hour (use a minus sign to indicate slowing down)? the linear expansion coefficient of brass is 19 × 10-6 /c°.
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