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Author Question: A one-kilogram gold ingot is carried from the bottom of the Eiffel tower to the top, 300 m above ... (Read 42 times)

moongchi

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on: Jul 29, 2018
A one-kilogram gold ingot is carried from the bottom of the Eiffel tower to the top, 300 m above ground level. By what amount does its mass change?
 
  A) Its mass does not change.
  B) Its mass increases by 3.27  10-14 kg.
  C) Its mass decreases by 3.27  10-14 kg.
  D) Its mass increases by 1.64  10-14 kg.
  E) Its mass decreases by 1.64  10-14 kg.

Question 2

Three point charges are placed on the x-axis. A charge of +2.0 C is placed at the origin, -2.0 C to the right at x = 50 cm, and +4.0 C at the 100 cm mark.
 
  What are the magnitude and direction of the electrostatic force which acts on the charge at the origin?


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hollysheppard095

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

B

Answer to Question 2

0.072 N, toward the right


moongchi

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Reply 2 on: Jul 29, 2018
Wow, this really help

duy1981999

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Reply 3 on: Yesterday
Gracias!

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