91. After the block is thrown weightless weightless inextensible thread with weights of equal mass M = 1.4 kg. On one of the goods laid overload mass m = 0,2 kg. Assuming that the loads were originally on the same level and neglecting friction, determine the height difference Δh, which will be loads after a time t = 1 s.

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