A 4.0-C charge is situated at the origin of an xy-coordinate ...

[magmichele12]

A 4.0-C charge is situated at the origin of an xy-coordinate system. What is the potential difference between a point x1 = 2.0 m and another point x2 = 5.0 m because of this charge?
 
  A) - 11  103 V
  B) 11  103 V
  C) - 33  103 V
  D) 33  103 V
  E) 0 V

Question 2

A hockey puck slides off the edge of a table with an initial velocity of 20.0 m/s. The height of the table above the ground is 2.0 m. What is the magnitude of the vertical component of the velocity of the puck just before it hits the ground?
 
  A) 20.0 m/s
  B) 6.26 m/s
  C) 12.5 m/s
  D) 19.6 m/s
  E) 21 m/s

[cdmart10]

Answer to Question 1

B

Answer to Question 2

B