A busy chipmunk runs back and forth along a straight line of acorns that has been set out between its burrow and a nearby tree. At some instant, it moves with a velocity of -1.39 m/s. Then, 2.73 s later, it moves with a velocity of 1.67 m/s. What is the chipmunk's average acceleration during the 2.73 s time interval? average acceleration: m/s2

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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A busy chipmunk runs back and forth along a straight line of acorns that has been set out between its burrow and a nearby
tree. At some instant, it moves with a velocity of -1.39 m/s. Then, 2.73 s later, it moves with a velocity of 1.67 m/s. What is
the chipmunk's average acceleration during the 2.73 s time interval?
average acceleration:
m/s?
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Transcribed Image Text:A busy chipmunk runs back and forth along a straight line of acorns that has been set out between its burrow and a nearby tree. At some instant, it moves with a velocity of -1.39 m/s. Then, 2.73 s later, it moves with a velocity of 1.67 m/s. What is the chipmunk's average acceleration during the 2.73 s time interval? average acceleration: m/s? about us careers privacy policy terms of use contact us help tv MacBook Air F12 F10 F11 F9 吕0, F3 F7 F8 F5 & * delete 6 8
In April 1974, Steve Prefontaine completed a 10.0 km race in a time of 27 min, 43.6 s. Suppose "Pre" was at the 7.15 km
mark at a time of 25.0 min. If he accelerated for 60 s and then maintained his increased speed for the remainder of the race,
calculate his acceleration over the 60 s interval. Assume his instantaneous speed at the 7.15 km mark was the same as his
overall average speed up to that time.
m/s2
acceleration:
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F12
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F10
F9
F7
000
000 F4
F6
吕0
F3
Transcribed Image Text:In April 1974, Steve Prefontaine completed a 10.0 km race in a time of 27 min, 43.6 s. Suppose "Pre" was at the 7.15 km mark at a time of 25.0 min. If he accelerated for 60 s and then maintained his increased speed for the remainder of the race, calculate his acceleration over the 60 s interval. Assume his instantaneous speed at the 7.15 km mark was the same as his overall average speed up to that time. m/s2 acceleration: terms of use contact us help careers privacy policy about us tv MacBook Air F12 F1 F10 F9 F7 000 000 F4 F6 吕0 F3
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