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Science Clinic => Physics => Topic started by: 123654777 on Jul 29, 2018

Title: You are moving at a speed (2/3)c relative to Randy, and Randy shines a light toward you. At what ...
Post by: 123654777 on Jul 29, 2018

You are moving at a speed (2/3)c relative to Randy, and Randy shines a light toward you. At what speed do you see the light passing you by?
 
  A) (1/3)c
  B) (2/3)c
  C) (4/3)c
  D) c
  E) It depends on whether you are moving towards or away from Randy.

Question 2

A series RLC circuit has a 100- resistor, 2.0-mH inductor and a 4.0-F capacitor connected across a 120-V rms AC source at (1000/) Hz. What is the power factor of this circuit?
 
  A) 0.54
  B) 0.64
  C) 0.74
  D) 0.84
  E) 0.94

Title: You are moving at a speed (2/3)c relative to Randy, and Randy shines a light toward you. At what ...
Post by: mcinincha279 on Jul 29, 2018

Answer to Question 1

D

Answer to Question 2

B