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please include details The world record for the men's pole vault is J.8 m. To clear this height, the athlete must raise his centre of

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The world record for the men's pole vault is J.8 m. To clear this height, the athlete must raise his centre of mass about 4.6 m off the ground. How fast must the athlete run before take-off to be able to get over the bar? The mass of the man is 68 kg. (assume that ALL his kinetic energy is converted to potential energy at the top of his jump.) Paragraph v =

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