Задача 10869.

When fired, the shell receives the kinetic energy of 25 MJ. Projectile weight 50 kg, weight of the gun barrel 2000 kg. Calculate what the kinetic energy gets gun barrel as a result of the impact.

Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
If you have any questions to address, please. I try to help.