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Boxes A and B in (Figure 1) have masses of 13.8 kg and 4.9 kg ,...

Boxes A and B in (Figure 1) have masses of 13.8 kg and 4.9 kg , respectively. The two boxes are released from rest. Part A What would be the speed of the boxes when box B has fallen a distance of 0.50 m? The coefficient of kinetic friction between box A and the surface it slides on is 0.20. Use conservation of energy.

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Hass 13-8 kq JJk 20.20 (6,9-t 2-4ジー

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