Engineering Mechanics - DynamicsChapter 12vθrt1()'t1=v4.87ms=arr'' t1112−=ar89.4−ms2=a1'' t12r' t11+=a53.7−ms2=*Problem 12-152At the instant shown, the watersprinkler is rotating with an angular speed 'and an angularacceleration ''. If the nozzle lies in the vertical plane and water is flowing through it at aconstant rate r', determine the magnitudes of the velocity and acceleration of a water particle asit exits the open end, r.Given:'2rads=''3rads2=r'3ms=r0.2 m=Solution:vr'2r'2+=v3.027ms=ar−'22r''2r''+2+=a12.625
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