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The figure shows the speed of a person's body as he does a chin-up. Assume the motion is vertical and the mass of the person's body is 64.0 kg. determine the force exerted by the chin-up bar on his body
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The figure shows the speed of a person's body as he does a chin-up. Assume the motion is vertical and the mass of the person's body is 64.0 kg. determine the force exerted by the chin-up bar on his body at t = 0s; t = 0.5s; t = 1.1s; and t = 1.6s

The figure shows the speed of a person's body as he does a chin-up. Assume the motion-example-1
User CamilB
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Please check calculations and let me know later on 
The figure shows the speed of a person's body as he does a chin-up. Assume the motion-example-1
User Samuel Vidal
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