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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The slender 12-kg bar has a clockwise angular velocity of w = 2 rad/s when it is in
the position shown Suppose that L = 2.9 m. (Figure 1)
Figure
60⁰°
1 of 1
Part A
Determine its angular acceleration, 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.
α =
Submit
Part B
NA =
Submit
Part C
195| ΑΣΦ 41
Determine the magnitude of the normal reaction of the smooth surface A at this instant.
Express your answer to three significant figures and include the appropriate units.
NB =
Submit
Request Answer
0
μÅ
Value
Request Answer
μA
vec
Value
Request Answer
Units
Determine the magnitude of the normal reaction of the smooth surface B at this instant.
Express your answer to three significant figures and include the appropriate units.
2
Units
?
=
?
rad/s²
?
Transcribed Image Text:The slender 12-kg bar has a clockwise angular velocity of w = 2 rad/s when it is in the position shown Suppose that L = 2.9 m. (Figure 1) Figure 60⁰° 1 of 1 Part A Determine its angular acceleration, 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. α = Submit Part B NA = Submit Part C 195| ΑΣΦ 41 Determine the magnitude of the normal reaction of the smooth surface A at this instant. Express your answer to three significant figures and include the appropriate units. NB = Submit Request Answer 0 μÅ Value Request Answer μA vec Value Request Answer Units Determine the magnitude of the normal reaction of the smooth surface B at this instant. Express your answer to three significant figures and include the appropriate units. 2 Units ? = ? rad/s² ?
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