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92sergey
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https://www.physicsforums.com/attachment.php?attachmentid=25852&d=1274225973
The A side, move down ward. The O is a pin, with no friction. The A and B have their own mass. The length of the stick or beam or frame is known. How to describe the energy of A down word until reach high h? i forget, the A will stop move at high h = 0, or landing surface. many thanks.
salmanrm@yahoo.com
The A side, move down ward. The O is a pin, with no friction. The A and B have their own mass. The length of the stick or beam or frame is known. How to describe the energy of A down word until reach high h? i forget, the A will stop move at high h = 0, or landing surface. many thanks.
salmanrm@yahoo.com