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Author Question: The graph in the figure shows the position of an object as a function of time. The letters H-L ... (Read 251 times)

biggirl4568

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on: Jul 29, 2018
The graph in the figure shows the position of an object as a function of time. The letters H-L represent particular moments of time. At which moments shown (H, I, etc.) is the speed of the object (a) the greatest? (b) the smallest?
 
  What will be an ideal response?

Question 2

Suppose that a car traveling to the west (the -x direction) begins to slow down as it approaches a traffic light. Which statement concerning its acceleration in the x direction is correct?
 
  A) Both its acceleration and its velocity are positive.
  B) Both its acceleration and its velocity are negative.
  C) Its acceleration is positive but its velocity is negative.
  D) Its acceleration is negative but its velocity is positive.


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Marked as best answer by Celeste on Feb 15, 2019

aburgess

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

Answer: (a) J (b) I

Answer to Question 2

Answer: C


biggirl4568

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Reply 2 on: Jul 29, 2018
Wow, this really help

nguyenhoanhat

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Reply 3 on: Yesterday
Excellent

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