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Author Question: An object initially at rest suddenly explodes in two fragments of masses and that move in opposite ... (Read 62 times)

vicky

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on: Jul 29, 2018
An object initially at rest suddenly explodes in two fragments of masses and that move in opposite directions. If the speed of the first fragment is find the internal energy of the explosion.
 
  A) 38 J B) 30 kJ C) 30 J D) 38 kJ

Question 2

In pair creation,
 
  A) matter is conserved but energy is created.
  B) two oppositely-flavored pizzas are created.
  C) matter and energy are both conserved.
  D) matter and energy are both created.
  E) matter is created but energy is conserved.


randomguy133

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

C

Answer to Question 2

E


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