2.91. Devil´s, Vorobyyov

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Uploaded: 22.02.2014
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2.91. On the based sphere flies other sphere of the weight, identical with it, with a speed of =2 m/s. As a result of collision this sphere changed the direction of the movement to a corner =30 °. To define: 1) speed and spheres after blow; 2) a corner between a vector of speed of the second sphere and the initial direction of the movement of the first sphere. To consider blow elastic.

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