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A pendulum clock with a pendulum made of brass is designed to keep accurate time at 20ºC. How much will the error be, in seconds per hour, if the clock operates at 0ºC?

A pendulum clock with a pendulum made of brass is designed to keep accurate time at 20ºC. How much will the error be, in seconds per hour, if the clock operates at 0ºC?

Grade:upto college level

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