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Author Question: You drive 6.0 km at 50 km/h and then another 6.0 km at 90 km/h. Your average speed over the 12 km ... (Read 35 times)

vicky

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on: Jul 29, 2018
You drive 6.0 km at 50 km/h and then another 6.0 km at 90 km/h. Your average speed over the 12 km drive will be
 
  A) greater than 70 km/h.
  B) equal to 70 km/h.
  C) less than 70 km/h.
  D) exactly 38 km/h.
  E) It cannot be determined from the information given because we must also know directions traveled.

Question 2

According to Aristotle, which of these is a natural or unforced motion?
 
  A) A book coming to rest as it slides along the floor.
  B) A stone falling straight downward.
  C) Both of the above.
  D) Neither of the above.
Physics ¦ Walker ¦ 5th Edition
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ASDFGJLO

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

C

Answer to Question 2

C


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