The 30 kg rod is released from rest when theta =0°. The spring is unstretched when theta = 0°. Find the angular velocity of the rod when theta = 30° and length of stretched spring is 1 m. The 30 g tod is released from test when 00. The spring is unstretched when 0o Hind the angularveiocity of the rod when 0-30 and length of stretched spring is 1 m2 mk = 80 N/m1.5 mwww

Initial P.E =0 Initial K.E =0 Final P.E =-30(9.81)(1.5sin30°)+12(80)(1-0.5)2 =-110.4+11.09=-99.31Nm…

Answered: The 30 kg tod is released from test…

The 30 kg tod is released from test when 0-0. The spring is unstretched when 0-o. Hind the angutar velocity of the rod when 0-30 and length of stretched spring is 1 m 2 m k 80 N/m 1.5 m www

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter4: Coplanar Equilibrium Analysis

Section: Chapter Questions

Problem 4.153P: Repeat Prob. 4.152 assuming that the 400-kN force is applied at O instead of L.

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Question

The 30 kg rod is released from rest when theta =0°. The spring is unstretched when theta = 0°. Find the angular velocity of the rod when theta = 30° and length of stretched spring is 1 m.

The 30 g tod is released from test when 00. The spring is unstretched when 0o Hind the angular
veiocity of the rod when 0-30 and length of stretched spring is 1 m
2 m
k = 80 N/m
1.5 m
www

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