Question

A taut 0.750 m string is plucked at one end, and the pulse takes 0.150 s...

A taut 0.750 m string is plucked at one end, and the pulse takes 0.150 s to travel to the

  • pposite end and back again.
  • What is the wave speed on the string? (2)
  • What are the three lowest frequencies for standing waves on the string? (4)
  • If a string four times the mass density is used instead, what is the new lowest frequency? (3)
  • Bonus: When the pulse in the description reaches the opposite end, is it inverted or upright when it reflects? (1)
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