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Author Question: An automobile travels due north with a speed of 77 km/h that is decreasing. All forces considered, ... (Read 182 times)

oliviahorn72

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on: Jul 28, 2018
An automobile travels due north with a speed of 77 km/h that is decreasing. All forces considered, the unbalanced force acting on the auto is
 a. zero.
  b. southward.
  c. northward.
  d. downward.
  e. upward.

Question 2

When the equation H2O + NO2  NO + HNO3 is balanced, the sum of all the coefficients (both written and understood) is ______________.
 Fill in the blank(s) with correct word


macybarnes

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

b

Answer to Question 2

7 (coefficients in order are 1, 3, 1, 2)


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oliviahorn72

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Reply #2 on: Jul 28, 2018
Both answers were spot on, thank you once again


macybarnes

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Reply #3 on: Jul 28, 2018
Great! Please up vote :D


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