After t hours a freight train is s(t) = 17t2 − 2t3 miles due north of its starting point (for 0 ≤ t ≤ 9). (a) Find its velocity at time t = 3 hours. mi/hr (b) Find its velocity at time t = 7 hours. mi/hr (c) Find its acceleration at time t = 1 hour. mi
After t hours a freight train is s(t) = 17t2 − 2t3 miles due north of its starting point (for 0 ≤ t ≤ 9). (a) Find its velocity at time t = 3 hours. mi/hr (b) Find its velocity at time t = 7 hours. mi/hr (c) Find its acceleration at time t = 1 hour. mi
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section: Chapter Questions
Problem 33CT
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Question
After t hours a freight train is
s(t) = 17t2 − 2t3
miles due north of its starting point
(for 0 ≤ t ≤ 9).
(a) Find its velocity at time
mi/hr
(b) Find its velocity at time
mi/hr
(c) Find its acceleration at time
mi/hr2
t = 3 hours.
mi/hr
(b) Find its velocity at time
t = 7 hours.
mi/hr
(c) Find its acceleration at time
t = 1 hour.
mi/hr2
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