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Author Question: Two astronauts, with masses 60. and 80. kg, are initially at rest in outer space. They push each ... (Read 130 times)

karlynnae

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on: Jul 27, 2018
Two astronauts, with masses 60. and 80. kg, are initially at rest in outer space. They push each other apart. How far has the heavier astronaut moved when the lighter astronaut has moved 12. m?
 
  A) 12. m
  B) 9.0 m
  C) 16. m
  D) 21. m
  E) 7.0 m

Question 2

At a certain point in space there is a potential of 400 V. What is the potential energy of a +2-C charge at that point in space?
 
  A) 80  10-6 J
  B) 800 J
  C) 400 J
  D) 200 J
  E) 8  10-4 J


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Swizqar

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Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

E


karlynnae

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Reply 2 on: Jul 27, 2018
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
Excellent

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