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2. A6.0 kg disk traveling at 9.0 m/s strikes a 7.0 kg stick of length 5.0 m that is lying flat on nearly frictionless ice as
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. After collision o – + +- » Apply the isolated system model for momentum to the system, Pret o (ma Vds &ms (s)-ma Odizo .. m8. ma (aldi alde) (Udit Idf) = msust Iw² * Multiply Eqn © by e a add to Egin ® , esma (Vai - Udf) = rms a 8.-lima (Udi - Velf. . Idi + Velf = q + I co? msus --- * substite Eqn 4 into ean vi + Vods = 1 (1+ of mi) - substitute Velf from Ean ☺ into 1. E8. Y = 2 Udi de 2(2) 1+ (%) +625*667) b. Is - 3.48 a velocity of the center of mass of the system, Ve = 3.48 misee② Angular velocity , from ean ④ W = - (2.5) (7 kg) (3.48 mis) 14.6 o W = -4.14 radisee » Angular velocity of the system after

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