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Author Question: If the ac peak voltage across a 100-ohm resistor is 120 V, then the average power dissipated by the ... (Read 152 times)

madam-professor

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on: Jul 27, 2018
If the ac peak voltage across a 100-ohm resistor is 120 V, then the average power dissipated by the resistor is
 
  A) 102 W.
  B) 288 W.
  C) 72 W.
  D) 144 W.
  E) 220 W.

Question 2

A ball, solid cylinder, and a hollow pipe all have equal masses and radii. If the three are released simultaneously at the top of an inclined plane, which will reach the bottom first?
 
  A) ball
  B) pipe
  C) cylinder
  D) they all reach bottom in the same time


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adf223

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Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

A


madam-professor

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Reply 2 on: Jul 27, 2018
Gracias!

nanny

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Reply 3 on: Yesterday
Excellent

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