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02-03-2020
Physics

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A 27 kg child sits in a swing supported by two chains, each 4 m long. The acceleration of gravity is 9.8 m/s 2 . If the tension in each chain at the lowest point is 159 N, find the child’s speed at the lowest point. Note: Neglect the mass of the seat. Answer in units of m/s.

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nwandukelechi nwandukelechi

07-03-2020

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