Studying?

I'm starting to worry because no one is writing any questions on here and no one has tried to contact me with questions....are any of you studying?

Problem 32.3 (Assignment 14)

Question: What is the nuclear radius of 197,79 Au?

Gold (Au)
Atomic Number: 79
Atomic Mass: 197

I figured out the answer to be 7*10^-15 m

but the answer is in meters, and mastering physics wants it in fm.
how do I convert it to fm?

Final Review Session

The final review session will be on Friday, June 4th from 8am - 12:00pm. If there are any other times you would like to request then please just let me know. Thanks

Dante

Conceptual Questions

1. What happens to the electric field and the capacitance when a dielectric is added to a capacitor? Why? Draw a diagram to illustrate your explanation.

2. Compare and/or contrast electric potential energy and electric potential. Conceptually, is there a difference or are these just two names for the same thing? Explain.

3. On the passenger side all automobiles the side mirror states “object are closer than they appear.” What type of mirror is used on the passenger side? Why is it necessary to have this warning?

4. What is resonance frequency? What are its effects on the elements in an RLC circuit as well as the entire circuit itself?

5. Can anything go faster than the speed of light? Explain.

6. What is the twin paradox.

7. What is the result, as predicted by geometric optics, of light going through a double slit? Is this prediction correct? Explain.

8. What does the “phase” of a circuit mean?

9. Explain, at the subatomic level, what is happening inside the gas tubes that you used for the line spectra lab?

10. a) Compare and/or contrast fission and fusion. Conceptually, is there a difference or are these just two names for the same thing? Explain. b) Which, if any, can be utilized to create energy by humans?

11. Explain how a nuclear bomb works in terms of the radioactive source. Why does this process release SOOO much energy?

12. What is an electron-volt? Why is it used?

13. a) Compare and/or contrast the Bohr model of the atom and the quantum-mechanical model of the atom. Conceptually, is there a difference or are these just two names for the same thing? Explain. b) Where and how are each used?

14. What is an interferometer? What does this device tell us about light?

Exam III and Final Review

Suggested Problems: 19-31, 19-79,20-33, 20-57, 21-45, 21-60*, 21-93, 22-47(764), 22-65 (766), 22-73 (766), 22-79 (767), 22-83 (767), 23-25 (799), 23-30 (799), 23-67(801), 23-81(802), 24-79(836), 24-69(835), 24-59(835), 25-57(867), 25-97 (869), 26-35, 26-55, 26-6126-101, 27-51, 27-69, 27-89, 28-71 (968), 28-63(968), 28-79 (969), 29-77, 29-63, 30-77(1033), 30-81(1033), 31-63(1070), 31-70(1070), 31-31(1068), 32-21 (1107), 32-40(1108), 32-51(1108), 32-77(1109), 32-65(1109), 32-71 (1109)

*a dielectric has been added to the 9.50 mF capacitor with k = 3.2

CH 30 & 31 Practice Problems

Dante assigned the following practice problems in SI for chapters 30 & 31

CHAPTER 30:
# 55, 73, 78, 81

CHAPTER 31:
# 21, 31, 63

=)

Chapter 28 Practice Problems

28-5, 28-17, 28-21, 28-36, 28-44, 28-63, 28-71, 28-79

New Practice Problems

26-93, 27-51, 27-69, 27-89, 27-75, 27-43, 27-27

If you were thinking of doing this...

Tuesday

Hey guys, sorry I missed class but if any of you are available I will be having a makeup session tomorrow, Tuesday April 4th at 4:10p. If you want to come just meet me in 60-1501. Has anyone been keeping up on what we talked about last week?