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The 16.2-kg rod is released from rest when θ=0° [position 1]. Knowing that OA=2.025 m, OB=2.7 m. The spring (K=15 N/m}) is unstretched when θ=0°. It reached position (2) when θ=90°.  find  1-  Kinetic energy when θ=0°  2-  polar moment of inertia at O (kg.m2) 3- work done by weight is  (Joules)

The 16.2-kg rod is released from rest when θ=0° [position 1]. Knowing that OA=2.025 m, OB=2.7 m. The spring (K=15 N/m}) is unstretched when θ=0°. It reached position (2) when θ=90°.  find  1-  Kinetic energy when θ=0°  2-  polar moment of inertia at O (kg.m2) 3- work done by weight is  (Joules)

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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The 16.2-kg rod is released from rest when θ=0° [position 1]. Knowing that OA=2.025 m, OB=2.7 m. The spring (K=15 N/m}) is unstretched when θ=0°. It reached position (2) when θ=90°. 

find 

1-  Kinetic energy when θ=0° 

2-  polar moment of inertia at O (kg.m2)

3- work done by weight is  (Joules)

4- extension of spring when θ=90°. (m)

5-  angular velocity when θ=90° (rad/s)

Ө OA ОВ B
Transcribed Image Text:Ө OA ОВ B
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