Question { NTPC, 7882 }

how to caluculate buoyant force in accelerating fluids?

Answer

suppose fluid is in the elevator accelerating by a then
buoyancy force=volume*density of fluid*efficient gravity
efficient gravity=[g-a]

Question { Geo Research Centre, 4597 }

what is a geostationary satellite?what are its applications?

Answer

a geostationary satellite is a satellite which is located
above the earth which revolves with the same velocity of
earth and having time period same that as earth. it would be
at an height of 36,000km above can u imagine!