Solution of task 15.2.9 from the collection of Kepe OE

Solution of task 15.2.9 from the collection of Kepe OE

15.2.9
Cargo 2 performs free oscillations according to the law x = 0.1 sin 10t. The rigidity of spring 1 is 100 N / m. Determine the potential energy of the load at x = 0.05 m, if its potential energy is zero at x = 0. (Answer 0.125)