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13. [1pt] Consider the phase speed of transverse waves on a wire, with the changes listed...

13. [1pt]
Consider the phase speed of transverse waves on a wire, with the changes listed below. Answer `true' (T), `false' (F), or `cannot tell' (C) to each of the five statements.
E.g., if the answer to the first statement is T and to the rest, F, enter TFFFF.


  2. If the length of the wire increases by a factor of 4 and the tension and mass remain the same, the phase speed of the transverse wave decreases by a factor of 2.
  3. If the mass of the wire is quadrupled and the tension and length remain the same, the phase speed of the transverse wave increases by a factor of 2.
  4. If the tension is decreased and the length of the wire is increased (assuming the mass remains the same), then the phase speed decreases.
  5. If the tension is increased and the mass of the wire is decreased (assuming the length remains the same), then the phase speed decreases.
  6. If the tension in the wire is doubled, the phase speed of the transverse wave increases by a factor of square root of 2.
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