Peoples Physics Book Version-3

http://www.ck12.org Chapter 12. Electricity Version 2

14..

15. a. down b. Up 16c, 5. 5 × 1011 m/s^2 e. 2. 9 × 108 m/s^2
    
    
    1. Toward the object
    
    
    2. 
       
       
       
       3. 6 × 104 N/C to the left with a force of 2. 8 × 10 −^7 N
       
       
       
       
    
    
    
    


16. Twice as close to the smaller charge, so 2 m from 12μC charge and 1 m from 3μC charge.


17. 0.293 N and at 42. 5 ◦


18. 624 N/C and at an angle of− 22. 4 ◦from the+x−axis.
    
    
    1. 7500V
    
    
    2. 1.5 m/s
    
    
    3. 
       
       
       
       6. 4 × 10 −^17 N
       
       
       
       
    
    
    4. 1300V
    
    
    5. 
       
       
       
       2. 1 × 10 −^16 J
       
       
       
       
    
    
    6. 
       
       
       
       2. 2 × 107 m/s
       
       
       
       
    
    
    
    


19. b. 0.25m c.FT= 0 .022 N d. 0. 37 μC