Solution of task 20.5.6 from the collection of Kepe OE
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20.5.6
The kinetic potential of a mechanical system is determined by the expression L = 14φ2 + 2φ where φ is the generalized coordinate, rad. Compute the generalized velocity φ in 2 s after the motion starts, if φ | t = 0 = 2 rad / s. (Answer 2.14)