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3. A high jumper has to jump over a bar that is 2.30m above the ground. If her center of mass is 0.82m above the

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3. A high jumper has to jump over a bar that is 2.30m above the ground. If her center of mass is 0.82m above the ground at the point she jumps, and she just clears the bar moving at 0.65mfs, how fast was she moving when she jumped? Ignore air friction. [4]

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