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  3. 3 a skater moves across the ice a distance of 12 m

3 A skater moves across the ice a distance of 12 m before a constant...

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3 A skater moves across the ice a distance of 12 m before a constant frictional force of 15 N causes him to stop His initial speed is 2 2 m s Calculate the skater s mass 74 kg 4 Could an elephant walking slowly across a field have more kinetic energy than a cheetah chasing its prey Explain your answer yes

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