9. Work & Energy
Net Work & Work-Energy Theorem
3:44 minutes
Problem 9q
Textbook Question
Textbook QuestionThe cable of a crane is lifting a 750 kg girder. The girder increases its speed from 0.25 m/s to 0.75 m/s in a distance of 3.5 m. (a) How much work is done by gravity?
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