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Title: A sewing machine needle moves up and down in simple harmonic motion with an ampl Post by: ppk on Mar 22, 2012 A sewing machine needle moves up and down in simple harmonic motion with an amplitude of 1.27 cm and a frequency of 2.55 Hz. What is the maximum acceleration of the needle?
A) 8.26 cm/s2 B) 16.5 cm/s2 C) 18.1 cm/s2 D) 326 cm/s2 E) 163 cm/s2 Title: Re: A sewing machine needle moves up and down in simple harmonic motion with an ampl Post by: bio_man on Mar 23, 2012 Content hidden
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