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06-11-2017
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A cat, also of weight wa, falls asleep on top of block

a. if block b is now set into downward motion, what is the magnitude of its acceleration? express your answer in terms of some or all of the variables wa, wb, and g (the acceleration due to gravity). hints

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15-11-2017

Answer: Let T be the tension of rope assuming negligible mass , T =( 2w_A)a/g ------- 1 (w_B) - T = (w_B)a/g ------- 2 ADD 1 and 2 w_B =( a/g)( 2w_A + w_B) a= g (w_B)/( 2w_A + w_B)

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