The solution of the problem 1.27 cr 1 from the problem

The solution of the problem 1.27 cr 1 from the problem

Task 1.27
The mass of the projectile is 10 kg, the weight of the barrel is 500 kg. When a shot is fired, the projectile receives kinetic energy of 1.5-106 J. What kinetic energy does the trunk of the gun receive as a result of recoil?

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