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OpenStudy (anonymous):
A scaffold weights 400 N. It supports two men, one 500 N and the other 400N, 490m above the ground. The force on the left supporting cable is 800N. What is the force in the cable on the right supporting cable?______. If the cables fail, what is the elapsed time before impact?________. What is the average velocity at impact?_______. The average acceleration during the fall is_______?
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