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Author Question: If the magnitude of the velocity of an object increases, we may be sure that during the time of this ... (Read 89 times)

jessicacav

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on: Jul 28, 2018
If the magnitude of the velocity of an object increases, we may be sure that during the time of this increase,
 a. the object is accelerated.
  b. the acceleration of the object increases.
  c. the object is moving in a straight path.
  d. the object is changing direction.
  e. none of these

Question 2

When the equation Al + O2 Al2O3 is balanced, the coefficient of Al is
 a. 1
  b. 2
  c. 3
  d. 4


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medine

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

a

Answer to Question 2

d


jessicacav

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Reply #2 on: Jul 28, 2018
Thanks


medine

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Reply #3 on: Jul 28, 2018
Welcome :)


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