PHY 101 Week 4 Assignment Help | University Of Phoenix
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PHY 101 Week 4 Assignment Help | University Of Phoenix
Week Four Textbook Exercises
Prepare a written
response to the following exercises from Conceptual Physics:
- Ch. 19: Exercise 12
- Ch. 20: Exercise 18
- Ch. 21: Exercise 6
- Ch. 26: Exercise 8
- Ch. 27: Exercise 10
- Ch. 28: Exercise 7
Ch. 19: 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?)
Ch. 20: Exercise 18
As you pour water into a
glass, you repeatedly tap the glass with a spoon. As the tapped glass is being
filled, does the pitch of the sound increase or decrease? (What should you do
to answer this question?)
Ch. 21: Exercise 6
A guitar and a flute are
in tune with each other. Explain how a change in temperature could alter this
situation.
Ch. 26: Exercise 8
We hear people talk of
“ultraviolet light” and “infrared light.” Why are these terms misleading? Why
are we less likely to hear people talk of “radio light” and “X-ray light”?
Ch. 27: Exercise 10
The radiation curve of the
Sun (Figures 27.7 and 27.8) show that the brightest light from the Sun is
yellow-green. Why, then, do we see the Sun as whitish instead of yellow green?
Why is the lettering on
the front of some vehicles “backward”?
USA 
India