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So this is the set up for the problem. We solved for acceleration and T1 and T2. Not sure how to do 6 however .

d Rotational Dynamics. Two blocks 1 and 2 are tied together by a string that is looped over a pulley connected to a frictionlтp R2 УI+ (mi + m2) R? тi R? а Ti — т29т + (т + m2) R І+ тiR? — т291+ (тi + mэ) R? Тр -

6. Taking the system to be Blocks 1 and 2 and the pulley, use the principle of conservation of energy to find the speed of Bl

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Solution Kel m2 At yEO velocity bloce of hoth be Zero have Some At y m they uu velocity it equolto v let then the by gravitat

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