HW27soln

HW27soln - "' n4 ' noon? __ _ 'nw s2? __ say '...

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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 slug-Ft}. 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 Ill-1h 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 dis-dance 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 Lag-mg. 1f the systmu is released from rest, how I‘ust is the lE-kg muss melting when H hm I‘ullen Ill m'? a. In, | afith _‘ Le;de 1: ZEA'FSL ...
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HW27soln - "' n4 ' noon? __ _ 'nw s2? __ say '...

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