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a pendulum has a brass ball and a wire 52 ft long. If the ball swings 1 degree how far does it travel?
Here is the whole problem.
In 1851 the French physist Jean Foucault used a pendulum to demonstrate the earth rotation. The Foucault pendulum at the Smithsonian Institution in DC consists of a large brass ball and a wire 52 feet long. If the ball swings 1 degree how far does it travel?
The brass ball hangs on the outer edge of a circle with a radius of 52 feet. The circumference of the circle is therefore TT x 104 feet = 326.72 feet.
one degree is 1/360 of 326.72 = .907 feet
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