The 25-lb slender rod has a length of 6 ft. Using a collar of negligible mass, its end A is confined to move along the smooth circular bar of radius 3/2 ft. End B rests om the floor, for which the coefficient of kinetic friction is µB = 0.32. The bar is released from rest when 0 = 30°. (Figure 1)

Elements Of Electromagnetics
7th Edition
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Author:Sadiku, Matthew N. O.
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The 25-lb slender rod has a length of 6 ft. Using a collar
of negligible mass, its end A is confined to move along
the smooth circular bar of radius 3/2 ft. End B rests on
the floor, for which the coefficient of kinetic friction is
µB = 0.32. The bar is released from rest when 0 = 30°.
(Figure 1)
Figure
1 of 1
A
6 ft
3v2 ft
B
Transcribed Image Text:The 25-lb slender rod has a length of 6 ft. Using a collar of negligible mass, its end A is confined to move along the smooth circular bar of radius 3/2 ft. End B rests on the floor, for which the coefficient of kinetic friction is µB = 0.32. The bar is released from rest when 0 = 30°. (Figure 1) Figure 1 of 1 A 6 ft 3v2 ft B
Part A
Determine the angular acceleration of the bar at this instant, measured clockwise.
Express your answer using three significant figures. Enter positive value if the angular acceleration is clockwise and
negative value if the angular acceleration is counterclockwise.
vec
a = 4.02
rad/s?
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Transcribed Image Text:Part A Determine the angular acceleration of the bar at this instant, measured clockwise. Express your answer using three significant figures. Enter positive value if the angular acceleration is clockwise and negative value if the angular acceleration is counterclockwise. vec a = 4.02 rad/s? Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining
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