If the accuracy in measuring the velocity of a particle ...

[jilianpiloj]

If the accuracy in measuring the velocity of a particle increases, the accuracy in measuring its position will
 
  A) increase.
  B) decrease.
  C) remain the same.
  D) It is impossible to say since the two measurements are independent and do not affect each other.

Question 2

Two flat 4.0 cm  4.0 cm electrodes carrying equal but opposite charges are spaced 2.0 mm apart with their midpoints opposite each other. Between the electrodes but not near their edges, the electric field strength is 2.5  106 N/C.
 
  What is the magnitude of the charge on each electrode? (0 = 8.85  10-12 C2/N  m2) A) 35 nC
  B) 18 nC
  C) 16 nC
  D) 30 nC

[iceage]

Answer to Question 1

B

Answer to Question 2

A

[jilianpiloj]

Thank you!

[iceage]

Always glad to help...