Задача id9516

A cart with sand rolls at a speed v1 = 1 m/s along a horizontal surface. A ball of mass m = 3 kg flies towards the cart with a speed v2 = 8 m/s, directed at an angle a = 60° to the horizontal. After meeting the cart, the ball gets stuck in the sand. At what speed and in what direction will the cart roll after meeting the ball? The mass of the cart with sand is M = 10 kg. The rolling resistance force of the cart can be neglected.

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