For a short time a motor of the random-orbit sander drives the gear A with an angular velocity of WA-40(+³+6t) rad/s, where t is in seconds. This gear is connected to gear B, which is fixed connected to the shaft CD. The end of this shaft is connected to the eccentric spindle EF and pad P, which causes the pad to orbit around shaft CD at a radius of 15 mm. (Figure 1)

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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For a short time a motor of the random-orbit sander drives the gear A with an angular velocity of
WA = 40(t³ + 6t) rad/s, where t is in seconds. This gear is connected to gear B, which is fixed
connected to the shaft CD. The end of this shaft is connected to the eccentric spindle EF and
pad P, which causes the pad to orbit around shaft CD at a radius of 15 mm. (Figure 1)
Figure
1 of 1
Part A
Determine the magnitude of the velocity of the spindle EF when t = 2.3 s after starting from rest.
Express your answer to three significant figures and include the appropriate units.
UE=
Submit
Part B
Value
Submit
μÅ +
(aE)t. (aE)n =
Request Answer
Provide Feedback
Determine the magnitudes of the tangential and normal components of acceleration of the spindle EF when t = 2.3 s after starting from rest.
Express your answers in meters per second squared to three significant figures separated by a comma.
AΣ 1 vec +
Units
Request Answer
?
?
m/s²
Transcribed Image Text:For a short time a motor of the random-orbit sander drives the gear A with an angular velocity of WA = 40(t³ + 6t) rad/s, where t is in seconds. This gear is connected to gear B, which is fixed connected to the shaft CD. The end of this shaft is connected to the eccentric spindle EF and pad P, which causes the pad to orbit around shaft CD at a radius of 15 mm. (Figure 1) Figure 1 of 1 Part A Determine the magnitude of the velocity of the spindle EF when t = 2.3 s after starting from rest. Express your answer to three significant figures and include the appropriate units. UE= Submit Part B Value Submit μÅ + (aE)t. (aE)n = Request Answer Provide Feedback Determine the magnitudes of the tangential and normal components of acceleration of the spindle EF when t = 2.3 s after starting from rest. Express your answers in meters per second squared to three significant figures separated by a comma. AΣ 1 vec + Units Request Answer ? ? m/s²
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