The position of a particle is given by s = 0.33t3 - 0.74t2 - 2.82t + 5.61, where s is in feet and the time t is in seconds. Plot the displacement, velocity, and acceleration as functions of time for the first 8 seconds of motion. After you have the plots, answer the questions as a check on your work. -+s, ft -1 1 2 3 Questions: When t = 1.8 sec, v= ft/sec, a- ft/sec? Whent = 5.4 sec, v= ft/sec, a- ft/sec2
The position of a particle is given by s = 0.33t3 - 0.74t2 - 2.82t + 5.61, where s is in feet and the time t is in seconds. Plot the displacement, velocity, and acceleration as functions of time for the first 8 seconds of motion. After you have the plots, answer the questions as a check on your work. -+s, ft -1 1 2 3 Questions: When t = 1.8 sec, v= ft/sec, a- ft/sec? Whent = 5.4 sec, v= ft/sec, a- ft/sec2
ChapterB: Graphical Analysis Of Planar Trusses
Section: Chapter Questions
Problem 8P
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Transcribed Image Text:The position of a particle is given by s = 0.33t3 - 0.74t2 - 2.82t + 5.61, where s is in feet and the time t is in seconds. Plot the
displacement, velocity, and acceleration as functions of time for the first 8 seconds of motion. After you have the plots, answer the
questions as a check on your work.
-+ s, ft
+
1
-1
Questions:
When t = 1.8 sec, v=
ft/sec, a=
i
ft/sec2
ft/sec, a=
ft/sec?
When t = 5.4 sec, v=
i
The positive time at which the particle changes direction is i
sec.
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