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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
13 Nov 2021

Given information

  • Given : A particle moves according to a law of motion .
  • To find : When is the particle speeding up? When is it slowing down?

Step-by-step explanation

Step 1.
First find when the acceleration is positive. Just by looking at the graph we just made.
We can see that the acceleration is in the positive quadrant on the range .
So, the acceleration is positive in the range .
Therefore we also know it is negative for  .

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