Physics, 21.02.2020 00:03 tatilynnsoto17
Kelli weighs 440 N, and she is sitting on a playground swing that hangs 0.41 m above the ground. Her mom pulls the swing back and releases it when the seat is 1.00 m above the ground. Assume that air resistance is negligible. If Kelli moves through the lowest point at 2.0 m/s, how much work was done on the swing by friction
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Kelli weighs 440 N, and she is sitting on a playground swing that hangs 0.41 m above the ground. Her...
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