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Wanda is driving a screw into a plank of wood. She does 44.6 J of work on the screw, and the screw does 13.9 J
Wanda is driving a screw into a plank of wood. She does 44.6 J of work on the screw, and the screw does 13.9 J of work on the wood. What is the efficiency of the screw Wanda is using?
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University Physics With Modern Physics
Authors: Wolfgang Bauer, Gary Westfall
2nd edition
73513881, 978-0073513881
