A Foucault pendulum consists of a brass sphere with adiameter of 35.0 cm suspended from a steel cable 10.5 m long (bothmeasurements made at 20.0°C). Due to a design oversight, the swingingsphere clears the floor by a distance of only 2.00 mm when the temperatureis 20.0°C. At what temperature will the sphere begin to brushthe floor?

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A Foucault pendulum consists of a brass sphere with a
diameter of 35.0 cm suspended from a steel cable 10.5 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 2.00 mm when the temperature
is 20.0°C. At what temperature will the sphere begin to brush
the floor?

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