Homework #5 Phys 142 Dr. Weeks

Due: Thursday, February 22, by 3 pm, turn in either outside Rollins 1025 or outside of Emerson 309

 

Conceptual questions: Chapter 21: #14, 20; Chapter 22: #4

Only short answers are required to these questions

 

Problems: Chapter 21, #30, 39, 50a, 54, 60, 64

Chapter 22, #2, 12

 

       Note problems 21.50a and 21.60 are more like conceptual questions; so this assignment is really 5 concept questions and 6 problems to work out.

       Do not do 50B although it is listed below as a suggested problem.

       For problem 64, you might want to reread the middle of page 562 to refresh your memory on how to find the KE of the electrons

 

 

 

 

 

Other problems to look at, but not to hand in:

Concepts: 21.9, 21.11, 21.15, 21.18

Problems: Ch 21, #29, 44, 47, 50B, 51, 53; Ch 22, #3, 10, 16

 

Answer to suggested problem 21.44: 1.13

Answer to suggested problem 21.50B: magnitude is 3.1 x 10-4 T

Answer to suggested problem 22.10: 5.6 x 10-3 Wb, 0 Wb

Answer to suggested problem 22.16: 7.7 x 10-3 Wb