Physics, 30.11.2020 18:00, swallowcaroline11

A bicycle gear wheel is a disc with 50 ‘teeth' equally spaced around its edge, as shown. The gear wheel is rotated 10 times each second. A springy strip of metal is vibrated by the rotating ‘teeth'. The metal strip produces a sound of frequency that is equal to the frequency of vibration of the strip

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A bicycle gear wheel is a disc with 50 ‘teeth' equally spaced around its edge, as shown. The gear wh...