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Author Question: An LRC circuit has R = 15 , L = 25 mH, and C = 30 F. The circuit is connected to a 120 V (rms) ... (Read 76 times)

olgavictoria

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on: Jul 29, 2018
An LRC circuit has R = 15 , L = 25 mH, and C = 30 F. The circuit is connected to a 120 V (rms) source with frequency 200 Hz.
 
  (a) What is the average power dissipated by the circuit?
  (b) What is the power factor for the circuit?

Question 2

A relativistic proton has a momentum of 1.0  10-17 kg  m/s and a rest energy of 0.15 nJ. What is the kinetic energy of this proton? (c = 3.00  108 m/s, mproton = 1.67  10-27 kg)
 
  A) 1.3 pJ B) 2.5 pJ C) 1.6 pJ D) 3.0 pJ E) 2.2 pJ


Mholman93

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

(a) 870 W
(b) 0.95

Answer to Question 2

D


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