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Physics, 16.07.2019 06:30 strawberrymochi1078

An 80 kg skateboarder moving at 3 m/s pushes off with her back foot to move faster. if her velocity increases to 5 m/s, what is her change in kinetic energy as a result? j how much work did she perform?

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An 80 kg skateboarder moving at 3 m/s pushes off with her back foot to move faster. if her velocity...
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