PHY 101 Week 2 Assignment Help | University Of Phoenix
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PHY 101 Week 2 Assignment Help | University Of Phoenix
Week Two Textbook Exercises
Prepare a written
response to the following exercises from Conceptual Physics:
- Ch. 6: Exercise 8
- Ch. 7: Exercise 14
- Ch. 8: Exercise 18
- Ch. 9: Exercise 12
Ch. 6: Exercise 8
A person can survive a feet-first impact at a speed of about 12 m/s (27 mi/h) on concrete; 15 m/s (34 mi/h) on soil; and 34 m/s (76 mi/h) on water. Why the different values for different surfaces?
Ch. 7: Exercise 14
Explain how “elastic potential energy” dramatically changed the sport of pole vaulting when flexible fiberglass poles replaced stiffer wooden poles.
Ch. 8: Exercise 18
Why is thermal pollution a relative term?
Ch. 9: Exercise 12
You use a vice to firmly clamp one end of a hacksaw blade. You twang the free end and it vibrates. If you do the same, but first place a wad of clay on the free end, how, if at all, will the frequency of vibration differ? Would it make a difference if the wad of clay were stuck to the middle? Explain. (Why could this question have been asked back in Chapter 8?)
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