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