knzrts
Mar13-05, 02:37 AM
hi,i could not solve this prob
the force of boyancy B on a baloon by atmosphere acts opp. to direction of velocity and is proportional to it.the baloon carries mass M and falls with constant velocity v ,how much mass should be removed so that baloon may rise with velocity v?
the force of boyancy B on a baloon by atmosphere acts opp. to direction of velocity and is proportional to it.the baloon carries mass M and falls with constant velocity v ,how much mass should be removed so that baloon may rise with velocity v?