December 1, 2015

Homework Help: Physics

Posted by Lisa on Monday, December 5, 2011 at 4:00pm.

In an electric shaver, the blade moves back and forth over a distance of 2.2 mm in simple harmonic motion, with frequency 116 Hz. Find (a) the amplitude (in mm), (b) the maximum blade speed, and (c) the magnitude of the maximum blade acceleration.

I got that (a) is 1.1 mm, but am confused on the rest.

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