2. Platform sand total mass M = 2 m stands on a horizon

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2. Platform sand total mass M = 2 m stands on a horizontal rail track section. The sand gets projectile mass m = 8 kg and is stuck in it. Neglecting friction, determine the speed with which the platform will move if at the moment of impact projectile velocity υ = 450 m / s, and its direction - from top to bottom at an angle α = 30 ° to the horizon.

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


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