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AP® Physics 1 & 2

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Moderate

Change Wave Type

APPH12-UKLXO5

In the diagram above, a machine with a reciprocating piston is attached to a rope and used to create transverse waves on the rope.

Which of the following changes would cause the machine to create longitudinal waves instead of transverse waves?

A

Move the machine to the middle of the rope.

B

Tune the frequency of the device to make the wavelength of the wave the same as the length of the string.

C

Rotate the machine 90 degrees clockwise.

D

Decrease the amplitude of the machine's movements.