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At what temperature will the sphere begin to brush the floor? Express your answer in degrees T= ____ degrees Celsius A Foucault pendulum consists of

At what temperature will the sphere begin to brush the floor? Express your answer in degrees T= ____ degrees Celsius

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A Foucault pendulum consists of a brass sphere with a diameter of 38.0 cm suspended from a steel cable 12.0 m long (both measurements made at 20.0"C). Due to a design oversight, the swinging sphere clears the floor by a distance of only 2.50 mm when the temperature is 20.0" C

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