The bar AB is uniform and has a mass of 50.0 kg. At the moment shown, the rod has an angular velocity of 4.00 rad/s and spring is stretched by 0.30 m. The force constant of the spring is 25.0 N/ m. a) Determine whether or not the bar will reach the horizontal position. b) If the bar becomes horizontal, calculate its angular velocity at that position. If not, calculate the angle the bar makes with the horizontal when it comes to rest momentarily.
The bar AB is uniform and has a mass of 50.0 kg. At the moment shown, the rod has an angular velocity of 4.00 rad/s and spring is stretched by 0.30 m. The force constant of the spring is 25.0 N/ m. a) Determine whether or not the bar will reach the horizontal position. b) If the bar becomes horizontal, calculate its angular velocity at that position. If not, calculate the angle the bar makes with the horizontal when it comes to rest momentarily.
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
The bar AB is uniform and has a mass of 50.0 kg.
At the moment shown, the rod has an angular
velocity of 4.00 rad/s and spring is stretched by
0.30 m. The force constant of the spring is 25.0 N/
m.
a) Determine whether or not the bar will reach
the horizontal position.
b) If the bar becomes horizontal, calculate its
angular velocity at that position. If not,
calculate the angle the bar makes with the
horizontal when it comes to rest momentarily.
Transcribed Image Text:The bar AB is uniform and has a mass of 50.0 kg.
At the moment shown, the rod has an angular
velocity of 4.00 rad/s and spring is stretched by
0.30 m. The force constant of the spring is 25.0 N/
m.
a) Determine whether or not the bar will reach
the horizontal position.
b) If the bar becomes horizontal, calculate its
angular velocity at that position. If not,
calculate the angle the bar makes with the
horizontal when it comes to rest momentarily.
Smooth
0.6m
1.8™
B
A
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