15.2.9. Load 2 performs free vibrations according to the law x = 0,1sin10t. 1 is the spring constant of 100 N / m. Determine the potential energy of the load at x = 0.05 m, if x = 0, its potential energy is zero.

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(Chapter 3 - Dynamics theme - 15.2: The kinetic and potential energy of a material point) of Reshebnik to the collection of short tasks on the theoretical mechanics Kep OE, JA Viba, OP Grapis, JA Svetinysh et al. Publishing Moscow / Graduate School / 1989, 2009, 2012.
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