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136.Two Small rings O and O' are put on two vertical stationary- rods AB and A` B, respectively (see Fig. 7379) One end of an inextensible thread is tied at point A`. The thread through ring O' and its other end is tied ring o .Assuming that ring O' moves downwards at a constant velocity by V find V` if angle is alpha |
| Answer» 136.Two Small rings O and O' are put on two vertical stationary- rods AB and A` B, respectively (see Fig. 7379) One end of an inextensible thread is tied at point A`. The thread through ring O' and its other end is tied ring o .Assuming that ring O' moves downwards at a constant velocity by V find V` if angle is alpha | |