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Author Question: A proton is located at the point (x = 1.0 nm, y = 0.0 nm) and an electron is located at the point ... (Read 62 times)

ARLKQ

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on: Jul 29, 2018
A proton is located at the point (x = 1.0 nm, y = 0.0 nm) and an electron is located at the point Find the magnitude of the electrostatic force that each one exerts on the other. (k = 1/40 = 9.0  109 N  m2/C2, e = 1.6  10-19 C)
 
  A) 1.4  10-11 N
  B) 5.3  10-18 N
  C) 5.3  108 N
  D) 5.9  10-15 N

Question 2

What is the frequency does a stationary observer hear when a train approaches her with a speed of 30 m/s. The frequency of the train horn is 0.600 kHz and the speed of sound is 340 m/s.
 
  A) 551 Hz
  B) 600 Hz
  C) 653 Hz
  D) 658 Hz


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Edwyer

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

A

Answer to Question 2

D


ARLKQ

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Reply 2 on: Jul 29, 2018
:D TYSM

debra928

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

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