A. If the tips of the fork move with an amplitude of 1.40mm, find their maximum

Question

A. If the tips of the fork move with an amplitude of 1.40mm, find their maximum speed. Course Home - openvellum.ecollege.com/course.html?courseld-14271805&OpenVellur; Secure l https://session.masteringphysics.com/myct/itemView? CH 13 HW Problem 13.26 hy Problem 13.26 Pa me Tuning Forks in Neurology Tuning forks are used in the diagnosis of nervous afflictions known as large- fiber polyneuropathies, which are often manifested in the form of reduced sensitivity to vibrations. Disorders that can result in this type of pathology include diabetes and nerve damage from exposure to heavy metals. The tuning fork in the figure(Figure 1) has a frequency of 122 Hz ents ok Figure 1 -of 1 rea Part ent Sha ettings

Explanation / Answer

A] From Simple Harmonic Motion,

we have,

Max speed, v = A*w

where w = 2pif

So,

v = 0.0014 m * 2*pi*122 Hz

= 1.073 m/s

B] Max acceleration,a

a = A*w^2

= A*(2*pi*f)^2

= 0.0014 m * (2*pi*122 Hz)^2

= 822.63 m/s^2

= 822.63/9.8 g

= 83.94 g

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