05. A running man has one-half the kinetic energy that a running boy of half his mass has. The man speeds up by 1.0m/s and then has the same kinetic energy as the boy. What were the original speeds of the man and the boy?

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03-10-2022
Physics

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05. A running man has one-half the kinetic energy that a running boy of half his mass has. The man speeds up by 1.0m/s and then has the same kinetic energy as the boy. What were the original speeds of the man and the boy?

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