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Author Question: The relativistic kinetic energy formula is valid A) only for speeds near the speed of light. B) ... (Read 70 times)

809779

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on: Jul 29, 2018
The relativistic kinetic energy formula is valid
 
  A) only for speeds near the speed of light.
  B) at all speeds.
  C) only for subatomic particles, such as electrons and protons.

Question 2

A +5.0-nC charge is at the point (0.00 m, 0.00 m) and a -2.0-nC charge is at (3.0 m, 0.00 m). What work is required to bring a 1.0-nC charge from very far away to point (0.00 m, 4.0 m)? (k = 1/40 = 9.0  109 N  m2/C2 )
 
  A) 15 nJ
  B) 3.6 nJ
  C) 11 nJ
  D) 7.7 nJ


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tashiedavis420

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

B

Answer to Question 2

D


809779

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Reply 2 on: Jul 29, 2018
Gracias!

zacnyjessica

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Reply 3 on: Yesterday
Wow, this really help

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