Simple physics balloon Puzzle

Here is a seemingly simple physics problem but is a hard nut To crack. there is a balloon with mass m attached to it. It Is descending with an acceleration a. How much amount of mass should Be removed from the balloon so that it rises with an Acceleration a assuming that there is negligible change in the volume of the Balloon when the mass is removed?
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jana

  • Jun 2nd, 2005
 

its very simple just remove the mass and if possible reduce the density of the gas in the baloon

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