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Statement of a problem № 11166

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"Rocket Man" has a propulsion unit strapped to his back. He starts from rest on the ground, fi res the unit, and accelerates straight upward. At a height of 16 m, his speed is 5.0 m/s. His mass, including the propulsion unit, has the approximately constant value of 136 kg. Find the work done by the force generated by the propulsion unit.




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