Physics, 05.12.2020 09:30 IsabellaGracie
A person doing a chin-up weighs 725 N, disregarding the weight of the arms. During the first 28.0 cm of the lift, each arm exerts an upward force of 363 N on the torso. If the upward movement starts from rest, what is the person's speed at this point?
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A person doing a chin-up weighs 725 N, disregarding the weight of the arms. During the first 28.0 cm...
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