31. (a) The angular speed in rad/s is ω=FHGIKJFHGIKJ=3313260349rev / minrad / revs/minrad / s.π.Consequently, the radial (centripetal) acceleration is (using Eq. 10-23) ar==×=−22260 10.(..rad / sm)0.73 m/ s2bg(b) Using Ch. 6 methods, we have ma = fs≤fs,max= μsmg, which is used to obtain the (minimum allowable) coefficient of friction: sag,min....=073980075 (c) The radial acceleration of the object is ar= 2r, while the tangential acceleration is
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.