Boxes A and B in the figure have masses of 13.5 k g and 4.0 k g , respectively.
ID: 2253242 • Letter: B
Question
Boxes A and B in the figure have masses of 13.5kg and 4.0kg , respectively. The two boxes are released from rest. 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. Express your answer to two significant figures and include the appropriate units.
Boxes A and B in the figure have masses of 13.5kg and 4.0kg , respectively. The two boxes are released from rest. 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. Express your answer to two significant figures and include the appropriate units.
Explanation / Answer
Boxes A and B in the figure have masses of 13.5kg and 4kg, respectively. The two boxes are released from rest.?
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.
Potential Energy = mass * 9.8 * height
Work of friction =
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