68. On the rails is the platform on which is fixed in a

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68. On the rails is the platform on which is fixed in a horizontal position without a weapon recoil device. Because guns make a shot along the railway. M1 Mass of the projectile is 10 kg and its speed V = 1 km / s. Weight m2 platform with a gun and other items is 20 m. For a distance ℓ retrace the platform after the shot, if the coefficient of resistance f = 0,002?

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)


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