Peoples Physics Book Version-3

http://www.ck12.org Chapter 26. Answers to Selected Problems

14..

1. 10V

Ch 14: Magnetism

1. No: ifv=0 thenF=0; yes:F=qE
   2..
   3..
   
   
   1. Into the page
   
   
   2. Down the page
   
   
   3. Right
   
   
   
   


2. Both pointing away from north
   5..
   6..


3. 7.6 T, south


4. Down the page; 60 N
   
   
   1. To the right, 1. 88 × 104 N
   
   
   2. 91.7 m/s
   
   
   3. It should be doubled
   
   
   
   


5. East 1. 5 × 104 A


6. 0.00016 T; if CCW motion, B is pointed into the ground.


7. 
   
   
   
   1. 2 ×105 V, counterclockwise
   
   
   
   


8. 15 V


9. Counter-clockwise


10. 2× 10 −^5 T


11. Into the page


12. 2.8 N/m


13. CW


14. 
    
    
    
    2. 42 × 108 m/s
    
    
    
    


15. 
    
    
    
    9. 69 × 10 −^12 N
       3..0055 m
    
    
    
    


16. E/B


17. 8× 10 −^7 T


18. 
    
    
    
    1. 3 × 10 −^6 C
    
    
    
    


19. 0.8 V


20. CCW
    3..064 N
    4..16 N/C
    5..13 w


21. a. 1. 11 × 108 m/s b. 9. 1 × 10 −^30 N<< 6. 4 × 10 −^14 N d..00364 T e..173 m f. 7. 03 ×1016 m/s^2 g. 3. 27 ◦


22. 19.2 V


23. 
    
    
    
    8. 39 × 107 m/s
    
    
    
    


24. 
    
    
    
    2. 68 × 10 −^13 N,−y
    
    
    
    


25. 
    
    
    
    2. 95 × 101 7 m/s^2