300 Rotation of a Rigid Object About a Fixed Axis*P10.39ταα∑==IMR122−+=FHGIKJ−=1350 2300 2301280125216721 52N mmkgmradsN2.....afafbgejTTSection 10.8Work, Power, and Energy in Rotational MotionP10.40The moment of inertia of a thin rod about an axis through one end is L=132. The total rotationalkinetic energy is given asKIIRhhmm=+121222ωωwithImLhhh=⋅22360 02 703146kgmkg m2afandImmm=⋅2231003675kg 4.50 mkg m2In addition,ωπh=FHGIKJ=×−21145 104rad12 hh3600 srad s.whilem=FHGIKJ−175 103rad1 hhrad s.Therefore,KR+×=×−−−12146 1 45 1012675 1 75 101 04 1042323.J*P10.41The power output of the bus is P=Et∆where EIMR1212122is the stored energy and∆∆txv=is the time it can roll. Then
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .