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Author Question: Suppose you slowly lift a book from the floor and put it on a table. Which of the following energy ... (Read 84 times)

audragclark

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on: Jul 29, 2018
Suppose you slowly lift a book from the floor and put it on a table. Which of the following energy transformations best describes the overall process?
 
  A) kinetic to gravitational
  B) kinetic to chemical
  C) gravitational to chemical
  D) chemical to gravitational
  E) thermal to gravitational

Question 2

What mass would have to be compressed to a radius of 1.0  10-15 m (the order of magnitude of the radius of an atomic nucleus) in order for it to become a black hole? (G = 6.67  10-11 N  m2/kg2, c = 3.0  108 m/s)
 
  A) 1.1  10-6 kg
  B) 4.1  10-8 kg
  C) 2.2  103 kg
  D) 6.7  1011 kg
  E) 8.3  1015 kg


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Missbam101

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

D

Answer to Question 2

D


audragclark

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Reply 2 on: Jul 29, 2018
Gracias!

jackie

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Reply 3 on: Yesterday
Excellent

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