Let v(t)=t^2−2t be the velocity, in feet per second,
Let v(t)=t^2−2t  be the velocity, in feet per second, of an object at time tt, in seconds.
a)What is the initial velocity?
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b)When does the object have a velocity of zero? If there is more than time, list all answers in a comma separated list.Â
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c) What is the meaning of the quantity v(4)? Select all that apply if more than one statement is correct.Â
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A. How much the object has moved in 4 seconds.Â
B. In how seconds will the object have moved 4 ft.Â
C. The object's velocity in 4 seconds.Â
D. The object's velocity in 4 hours.Â
E. In how many hours will the velocity be 4 ft/sec.Â
F. The average velocity of the object over the 4 second interval.Â
G. None of the above
Answers
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Posted 17 Aug 2017 10:08 AM
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