At the instant shown, the spring is undeformed. Determine the change in potential energy if the 20 kg disk (kG = 0.5 m) rolls 2 revolutions without slipping. ½(200)(1.2 π )2 + (20) (9.81) (1.2 π sin 30°) - ½(200)(1.2 π )2 - (20) (9.81) (1.2 π sin 30°) ½(200)(1.2 π )2 - (20) (9.81) (1.2 π sin 30°) ½(200)(1.2 π )2 At the instant shown, the spring is undeformed. Determine the change in potential energy ifthe 20 kg disk (KG = 0.5 m) rolls 2 revolutions without slipping.datumk = 200 N/m0.3 m30°(200) (1.2 TT)² + (20) (9.81) (1.2 π sin 30°)O-(200)(1.2 TT)² - (20) (9.81) (1.2 T sin 30")Ⓒ%(200) (1.2 TT)² - (20) (9.81) (1.2 T sin 30°)O ¹/4(200)(1.2 TT)²

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Answered: At the instant shown, the spring is…

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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At the instant shown, the spring is undeformed. Determine the change in potential energy if the 20 kg disk (k_G = 0.5 m) rolls 2 revolutions without slipping.

		½(200)(1.2 π )² + (20) (9.81) (1.2 π sin 30°)
		- ½(200)(1.2 π )² - (20) (9.81) (1.2 π sin 30°)
		½(200)(1.2 π )² - (20) (9.81) (1.2 π sin 30°)
		½(200)(1.2 π )²

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