14. On the floor of the trolley is in the form of a lon

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14. On the floor of the trolley is in the form of a long board, equipped with lightweight wheels. At one end of the board is a man. Mass human M = 60 kg, the weight of the board m = 20 kg. Find, for a distance d:
1) moves the cart, if a person goes to the other end of the board;
2) Move the person to the floor;
3) moves the center of mass of the trolley - the person with respect to the board and to the floor. Board length l is 2 m.

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


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