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Author Question: A car is going past a radio station at a speed of 40.0 m/s. If the radio station broadcasts at a ... (Read 118 times)

CBme

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on: Jul 29, 2018
A car is going past a radio station at a speed of 40.0 m/s. If the radio station broadcasts at a frequency of 74.5 MHz, what change in frequency does the driver observe?
 
  A) 9.93 Hz
  B) 99.3 Hz
  C) 993 Hz
  D) 7.45 Hz
  E) 74.5 Hz

Question 2

Two electric charges each equal to +Q, are separated by a distance d. If you make a graph of the electric potential as a function of the distance along the line connecting the two charges, the point exactly midway between the two charges would
 
  A) be a relative maximum.
  B) be a relative minimum.
  C) be neither a relative maximum nor a relative minimum.
  D) oscillate between being a relative maximum and a relative minimum.


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wfdfwc23

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

A

Answer to Question 2

B


CBme

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Reply 2 on: Jul 29, 2018
Excellent

mochi09

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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