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Author Question: The electric field shown is produced by a single point charge at the center of the picture. ... (Read 927 times)

fahad

  • Hero Member
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  • Posts: 570
on: Jul 28, 2018

The electric field shown is produced by a single point charge at the center of the picture.
   


 
  What force might a charge placed at location D feel?
   
  a.
  zero
   
  b.
  an upward force
   
  c.
  a downward force
   
  d.
  a force to the right
   
  e.
  a force to the left

Question 2

A car travels in a flat circle of radius R. At a certain instant the velocity of the car is 20 m/s north, and the total acceleration of the car is 2.5 m/s2 37 south of west. Which of the following is correct?
 a. R = 0.40 km, and the car's speed is decreasing.
  b. R = 0.20 km, and the car's speed is decreasing.
  c. R = 0.20 km, and the car's speed is increasing.
  d. R = 0.16 km, and the car's speed is increasing.
  e. R = 0.16 km, and the car's speed is decreasing.


dreamfighter72

  • Sr. Member
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  • Posts: 355
Reply #1 on: Jul 28, 2018
Answer to Question 1

d,e

Answer to Question 2

b


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