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Statement of a problem № 3196

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A central wheel can rotate about its central axis, which is vertical. From a point on the rim hangs a simple pendulum. When the wheel is caused to rotate uniformly, the angle of inclination of the pendulum to the vertical is T0 . If the radius of the wheel is R cm and the length of the pendulum is 1 cm, obtain an expression for the number of rotations of the wheel per second.

Solution:
A central wheel can rotate about its central axis, which is vertical. From a poi

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