Find the child''s speed at the lowest point
A 49 kg child sits in a swing supported by two chains, each 2.8 m long. The acceleration of gravity is 9.8 m/s2 . If the tension in each chain at the lowest point is 288 N, find the child's speed at the lowest point.
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
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