Solution of task 15.5.2 from the collection of Kepe OE

Solution of task 15.5.2 from the collection of Kepe OE

15.5.2
Four cargoes of mass m = 1 kg each, connected by a flexible thread, thrown over
Through a motionless weightless block, move according to the law s = 1.5t2. Determine the kin
The energy of the cargo system at time t = 2 s. (Answer 72)

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