Question: The system is released from rest. If A weighs 2 0 l b , B weighs 8 0 lb , and the coefficient of kinetic

The system is released from rest. If A weighs 20lb,B weighs 80 lb , and the coefficient of
kinetic friction between all surfaces is k=0.12, how long does it take box B to slide 1 ft down
the inclined surface?
The system is released from rest. If A weighs 2 0

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