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Author Question: If I = 2.0 mA and the potential difference, VA VB = +30 V in the circuit segment shown, determine ... (Read 209 times)

beccaep

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on: Jul 29, 2018
If I = 2.0 mA and the potential difference, VA  VB = +30 V in the circuit segment shown, determine the charge and polarity of the capacitor.
 
   
  a.
  1.5 mC, left plate is positive
   
  b.
  1.5 mC, right plate is positive
   
  c.
  0.45 mC, left plate is positive
   
  d.
  0.45 mC, right plate is positive

Question 2

A car originally traveling at 30 m/s manages to brake for 5.0 seconds while traveling 125 m downhill. At that point the brakes fail. After an additional 5.0 seconds it travels an additional 150 m down the hill. What was the acceleration of the car after the brakes failed?

Question 3

In the circuit segment shown if I = 7 mA and Q = 50 C, what is the potential difference, VA  VB?
 
   
  a.
  40 V
   
  b.
  +40 V
   
  c.
  +20 V
   
  d.
  20 V


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juiceman1987

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Reply #1 on: Jul 29, 2018
Answer to Question 1

a

Answer to Question 2

4.0 m/s2

Answer to Question 3

d


beccaep

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  • Posts: 535
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

ricroger

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Reply 3 on: Yesterday
Wow, this really help

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