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Author Question: What is meant by the heat death of the universe? A) The universe will end in a giant inferno. B) ... (Read 94 times)

melly21297

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on: Jul 29, 2018
What is meant by the heat death of the universe?
 
  A) The universe will end in a giant inferno.
  B) The universe will reach thermal equilibrium.
  C) Some day the sun will explode and we will all burn.
  D) Some day the sun will cease to provide electromagnetic radiation.
  E) The radiation from the stars will continuously heat up the universe.

Question 2

The position of a mass that is oscillating on a spring is given by x = (12.3 cm) cos(1.26 s2)t. What is the acceleration of the mass when t = 0.825 s?
 
  A) 9.89 cm/s2
  B) -9.89 cm/s2
  C) 10.6 cm/s2
  D) -10.6 cm/s2
  E) 0 cm/s2


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kxciann

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

B

Answer to Question 2

B


melly21297

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Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


kxciann

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Reply #3 on: Jul 29, 2018
Great! Please up vote :D


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