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Author Question: Assume a gram of a substance marketed as Pure Energy is annihilated by a gram of a second substance ... (Read 128 times)

james0929

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on: Jul 28, 2018
Assume a gram of a substance marketed as Pure Energy is annihilated by a gram of a second substance Anti-Pure Energy. How long would the energy released power a city which uses 109 watts of power?
 a. 40 hrs
  b. 25 hrs
  c. 50 hrs
  d. 65 hrs
  e. 50 000 hrs

Question 2

Energy is released during a nuclear reaction due to a conversion between mass and energy. Mass is not conserved. The initial and final amounts are different. If a total of 1.0 gram of mass is missing, how much energy has been released?
 a. 9.0  1011 J
  b. 9.0  1017 J
  c. 9.0  1015 J
  d. 9.0  1013 J
  e. 9.0  1016 J


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ebonylittles

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Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

D


james0929

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Reply #2 on: Jul 28, 2018
Thank you!


ebonylittles

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Reply #3 on: Jul 28, 2018
Always glad to help...


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