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Author Question: Suppose that a car traveling to the west (-x direction) begins to slow down as it approaches a ... (Read 55 times)

PhilipSeeMore

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Suppose that a car traveling to the west (-x direction) begins to slow down as it approaches a traffic light. Which statement concerning its acceleration must be correct?
 
  A) Its acceleration is decreasing in magnitude as the car slows down.
  B) Its acceleration is positive.
  C) Its acceleration is negative.
  D) Its acceleration is zero.

Question 2

In which of the following nuclear processes are other forms of energy converted into nuclear energy? In other words, in which of these processes is nuclear energy created?
 
  A) In nuclear fission of the lighter elements and nuclear fusion of the heavier elements.
  B) Exothermic heat producing chemical reactions.
  C) Supernova explosions, i.e., explosions of stars.
  D) Endothermic heat consuming chemical reactions.
  E) In nuclear fusion of the lighter elements and nuclear fission of the heavier elements.



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wergv

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Answer to Question 1

B

Answer to Question 2

C





 

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