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A person doing a chin-up weighs 533.8 N, disregarding the weight of the arms. During the first 24.7 cm of the lift, each arm

A person doing a chin-up weighs 533.8 N, disregarding the weight of the arms. During the first 24.7 cm of the lift, each arm exerts an upward force of 388 N on the torso. The acceleration of gravity if 9.81 m/s. If the upward movement starts from rest, what is the person's speed at this point? Answer in units of m/s.

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