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Unformatted text preview: "' n4 ' noon? __ _ 'nw s2? __ say ' Tablelomiﬂ 19.14 The Mtg bar is rolonsod From rest in the horizontal position 1 and falls to position 2. Tho unstrolohod
isngth of the spring is 0.4 m and the spring constant is i: = 2le Him. What is the magnitude ol‘ tho bar‘s angular velocity when it is in position 2?  Uh in — 19.25 The system is released from rest. The moment of inenia nfihe pulley is [1.03 slugFt}. The coefﬁcient of
kinetic frielien between the S—Ih weight and the slanted surfaee is M = (1.3. Delennine lhe magnitude el'lhe
1eeleeil}r ef‘ the Ill1h weight when it has fallen 2 fl. ~ g 5" H45“ &7 T
his) *_ Are/F4:
i1“ \ ‘ 7‘ F  5'05“ Fin g: EEI’FF \hin ‘——
KR.
*1 19.2? The Intel momcm of inem'u 01' the car‘s two rear wheels and axle is IR, and the tplnl mumenl ol‘inerlia pl"
[he two from wheels is h. The radius Uflhe tires. is It and the lL'llill 111mm all the car, including 1he wheels, is m.
The car is mnving m velocity i‘u when the driver applies the brakes. If the car’s brakes exert :1 constant retarding
couple M an eueh wheel and the lires do not slip, determine the car‘s velocity as a ﬁlnciion of the disdance 3 from the point where the brakes are applied. {See Example I‘ll}
A'S'SMM Cd’ ﬁafi A NW # rﬁﬂtﬂ lax— 19.2% The mass of [he IeE‘L pulley is T kg, and its moment of inertia is H.330 kg—ml. The mass of the right pulley
is 3 kg, and ile memem of inertia is 0.054 Lagmg. 1f the systmu is released from rest, how I‘ust is the lEkg muss melting when H hm I‘ullen Ill m'? a.
In,  aﬁth _‘ Le;de 1: ZEA'FSL ...
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 Fall '08
 Biggers
 Statics, Angular Momentum, Mass, Trigraph, radius Uflhe tires., tplnl mumenl ol‘inerlia

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