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At the instant r 1.5 m the 5-kg disk is given a speed of v 5m perpendicular to the elastic cord Determine the speed of the disk and the rate

At the instant r = 1.5 m, the 5-kg disk is given a speed of v = 5m/s, perpendicular to the elastic cord.Determine the speedof the disk and the rate ofshortening of the elastic cord at theinstant r = 1.2 m.The disk slides on the smooth horizontalplane.Neglect is size.The cord has anunstretchedlength of 0.5 m and a spring constant of k = 200 N/m.


I am confused about where to go in order to findthe rate of shortening.Any help would be greatlyappreciated.All steps would be helpfulto insure that whatI've done so far is correct.

Apr 27 2020 View more View Less

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