The graph shows the displacement-time history for the rectilinear motion of a particle during an 8-second interval. Determine th average velocity Vay during the interval and, to within reasonable limits of accuracy, find the instantaneous velocity v when t = 4 E a 10 8 6 4 2 0 0

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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The graph shows the displacement-time history for the rectilinear motion of a particle during an 8-second interval. Determine the
average velocity Vay during the interval and, to within reasonable limits of accuracy, find the instantaneous velocity v when t = 4 s.
S
10
8
6
4
2
0
0
Answers:
2
4
t, s
When t = 4 s,
6
For the whole interval, Vav =
V =
8
i
i
m/s
m/s
Transcribed Image Text:The graph shows the displacement-time history for the rectilinear motion of a particle during an 8-second interval. Determine the average velocity Vay during the interval and, to within reasonable limits of accuracy, find the instantaneous velocity v when t = 4 s. S 10 8 6 4 2 0 0 Answers: 2 4 t, s When t = 4 s, 6 For the whole interval, Vav = V = 8 i i m/s m/s
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1. average velocity is correct (-0.75 m/s) but instantaneous velocity (-1 m/s) is incorrect can you help me?

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