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A 34 kilogram kid sits in a swing supported by two chains, each 4.1 meter long. If the tension in each chain at the lowest point is 267 N.
1) Calculate the kid's speed at the lowest point. (Ignore the mass of the seat.) Answer in units of m/s.
2) Calculate the force of the seat on the kid at the lowest point. Answer in units of N.
q1. scientists are working on a new system to kill cancer cells by zapping them with ultrahigh-energy in the range of
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