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PRACTICE / Wave description

A string point moves differently from the wave

A sinusoidal string wave has amplitude 3 mm and angular frequency 100 rad/s.

Find a string point’s maximum transverse speed.

Organize the givens & assumptions
  • A = 0.003 m
  • ω = 100 rad/s

Small-amplitude sinusoidal transverse wave; stated amplitude is displacement of a string element.

  1. A0.30 m s−10.30\ \mathrm{m\,s^{-1}}
  2. B300 m s−1300\ \mathrm{m\,s^{-1}}
  3. C30 m s−130\ \mathrm{m\,s^{-1}}
  4. D0.00003 m s−10.00003\ \mathrm{m\,s^{-1}}

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