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Author Question: A car is initially moving at 20 m/s east, and a little while later it is moving at 10 m/s north. ... (Read 70 times)

LCritchfi

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on: Jul 28, 2018
A car is initially moving at 20 m/s east, and a little while later it is moving at 10 m/s north. Which of the following best describes the orientation of the average acceleration during this time interval?
 a. northeast
  b. northwest
  c. west
  d. north of west

Question 2

An object, initially moving in the negative x-direction, is subjected to a change in velocity in the positive y-direction. If the resulting velocity vector is drawn from the origin, into which quadrant does this vector point?
 a. 1st
  b. 2nd
  c. 3rd
  d. None, since the object is now moving in the y-direction.


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amandanbreshears

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

d

Answer to Question 2

b


LCritchfi

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Reply 2 on: Jul 28, 2018
Gracias!

Joy Chen

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Reply 3 on: Yesterday
Wow, this really help

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