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# Henderson's Physics 163

### Chapter 14 Opening Questions

This page last modified on 3/12/08.

Thursday, March 13:

Describe the difference between a transverse wave and a longitudinal wave. Construct a picture of each type of wave and show with arrows the direction of particle movement.

Friday, March 14:

The water waves below are traveling with a speed of 3 m/s and splashing periodically against the Wilbert's perch. Each adjacent crest is 12 meters apart and splashes Wilberts feet upon reaching his perch. How much time passes between each successive drenching?

Monday, March 17:

Two boats - Boat A and Boat B - are anchored a horizontal distance of 12.0 meters apart. The incoming water waves force the boats to oscillate up and down, making five complete cycles every 25.0 seconds. When Boat A is at its peak, Boat B is at its low point. There are never any waves between the two boats. The vertical distance between Boat A and Boat B at their extreme is 4.0 meters. Determine the amplitude, wavelength, frequency, and speed of the wave. (HINT: begin with a diagram.)
Amplitude:

Wavelength:

Frequency:

Speed:

Tuesday, March 18:

Anna Litical ties a rope to a tree, stands 4.2 m away, and vibrates the rope up and down with 22 complete movements in 10 seconds. The resulting wave pattern is shown. Fill in the blanks below.
Frequency:

Wavelength:

Speed:

Wednesday, March 19:

A pulse is moving from a less dense medium to a more dense medium as shown in the diagram below.

Construct an AFTER diagram to show the presence of the reflected and transmitted pulses shortly after the incidence pulse has reached the boundary. Be sure to represent the orientation, wavelength and speed of the two pulses.

Thursday, March 20:

Identify by name all the possible behaviors of waves and write one sentence describing each behavior.

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