Solution of task 20.4.6 from the collection of Kepe OE
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20.4.6
The material point M of mass m = 1 kg rises vertically. Determine the lifting speed v at the time when the kinetic potential of the point is zero and it is at an altitude h = 6 m, if for h = 0 the potential energy П0 = 0. (Answer 10.8)