Answered: a (ft/s2) a = 24 – 200t² 24 16 a = 32 –…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

An accelerometer record for the motion of a given part of a mechanism is approximated by an arc of a parabola for 0.2 s and a straight line for the next 0.2 s as shown in the figure. Knowing that v = 0 when t= 0 and x= 0.8 ft when t= 0.4 s, (a) construct the v-t curve for 0 ≤ t≤ 0.4 s, (b) determine the position of the part at t= 0.3 s and t= 0.2 s.

a (ft/s2)
a = 24 – 200t²
24
16
a = 32 – 80t
0.2
0.4 t (s)

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