9. A particle is moving on a line is at position s(1)=r'- 7² +8t-2 at time t. a) At what times is it at rest? b) At what times is it changing position?. c) When is it moving left and right?

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9.
A particle is moving on a line is at position s(1)=r'-7+81 - 2 at time t.
a) At what times is it at rest?
b) At what times is it changing position?.
c) When is it moving left and right?
d) When is it speeding up and slowing down?
e) What is its acceleration when t = 2?
f What is the total distance traveled from t=1 to t= 5?
Transcribed Image Text:9. A particle is moving on a line is at position s(1)=r'-7+81 - 2 at time t. a) At what times is it at rest? b) At what times is it changing position?. c) When is it moving left and right? d) When is it speeding up and slowing down? e) What is its acceleration when t = 2? f What is the total distance traveled from t=1 to t= 5?
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