2.75. Hell, Vorobyov

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Uploaded: 22.02.2014
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2.75. On rails there is a platform on which the tool without antiretractable device is fixed in horizontal situation. From the tool make a shot along a railway track. The mass of m1 of a shell is equal 10 kg and its speed of v = to 1 km/s. Weight t2 platforms with the tool and other freight is equal 20 t. On what distance of l the platform after a shot, if f resistance coefficient = 0,002 will be rolled away?

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The solution of a task 2.75 is typed on kompyyutere.0,002?


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