Physics 1205 Reading Questions
Assignment #11

Chapter 10.11, 10.18 - 10.19, 12.0 - 12.9

Reading Questions should be submitted electronically using this form. They are due by 8:30 a.m. on Monday, December 1, 2008 based on scheduling change.
Any Reading Questions arriving late will receive no credit.
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Answer the Reading Questions below. Please answer each question.

1. What force causes a spinning top to precess?

2. Under what circumstances is angular momentum conserved?

3. If a bicyle moving south turns so that it is moving west at the same speed, is the angular momentum of the bicycle wheels conserved? Why or why not?

4. A wheel is spinning on a frictionless axle when small parts break off the wheel and fly off in different directions tangent to the rim of the wheel. Is angular momentum conserved? What happens to the angular velocity of the wheel?

5. What conditions are necessary for static equilibrium to occur?

6. When solving problems dealing with static equilibrium, which axis must be chosen as the axis of rotation to calculate the net torque?

7. What is the difference between a longitudinal wave and a transverse wave?

8. If a wave is described by a function of (x - vt), which direction is the wave moving?

9. What is the difference between a periodic wave and a harmonic wave?

10. If the tension in a string is doubled, what happens to the speed of a wave traveling on the string?

Final Question: (This question must be answered to receive any credit). What is one thing from the chapter that you didn't understand or need clarified?

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