Question
An electric toothbrush with a brush head of diameter 1.1 cm rotates back and forth through an angle of 60 degrees 7500 times per minute.What
An electric toothbrush with a brush head of diameter 1.1 cm rotates back and forth through an angle of 60 degrees 7500 times per minute.What is the average angular speed in each direction of the rotating head in rad/s? What is the average linear speed in each direction of the bristles at the rim of thebrush head against the teethin cm/s?
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Solar Cosmic Rays Fundamentals And Applications
Authors: Leonty Miroshnichenko
2nd Edition
3319094297, 9783319094298
