Задача id9979

A steel wire 1 m long is fixed at one end so that it can oscillate in the vertical plane. A mass of 50 kg is attached to the free end of the wire. The wire with the load is deflected to the height of the suspension and released. Determine the absolute elongation of the wire at the lowest point of the trajectory when the load moves. The cross-sectional area of the wire is 0.8 mm2, neglect the mass of the wire.

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