At the instant 50degree the boy's center of mass g has a downward speed =8 ft/s. determine the rate of increase in his speed and the tension in each of the two supporting cords of the swing at this instant. the boy has a weight of 65 lb. neglect his size and the mass of the seat and cords. (hint) try to build the equations of motion for normal and tangential
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Ответ:
No because there is movement.