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assuming that temperature is constant and that we're talking about regular party balloons (a "regular" 2-gram party balloon can hold ~ 16 grams of gas), you would need 6,156 baloons to hold your weight in equilibrium. you would need an amount greater than this to actually lift you (the more extra balloons, the faster the lift), and this is not accounting for the weight of the string. extrapolated from: http://malaysia.answers.yahoo.com/question/index?qid=1005123102737
At 25 degrees Celsius (77 Fahrenheit) and standard pressure (101.3 kPa) one pound of helium would fill 2768 Liters (731) Gallons It depends on how big you want to fill the balloons, the pressure of the balloons the temperature and a range of other things.
Simply put, the weather balloon is a lighter-than-air vehicle or aerosonde that provides lift to an instrument package to get it to altitude. The instruments thus situated can collect data which, when combined with other information from both similar and different sources, can be used to assess current conditions, and, as an extension, to forecast weather.
Batman can lift over 12 or 13 tons
On earth, 490N or more is required to lift 50kg
it took 53 12" helium balloons to lift a pound, you have to add the weight of the string and balloons
10000000 helium balloons
there are many different types: hot air balloons, gas balloons, party balloons, weather balloons and many more complex types of balloons.
30
well it depends how much the person weighs so do this take the persons weight and multiply it by five the divide it by how many inches the balloon is around then last but not least you add how much time it takes to blow up the balloon (this is because different heilium machines have different presure gages) and there is how many balloons it takes to lift a person off the ground wit regular party balloons
depends on how large the balloon is! ;D
400
To lift about 110 pounds it could take any where from 100 to 150 balloons to lift a person, a lawn chair, food, and many gallons of water. A man by the name of Kent Couch from Oregon demestrated this for us by flying from his home all the way to Idaho. I would'NT try this unless you have a parachute of some kind of device to help you have a better landing. The Balloons could be about the average party balloons (large ones) that are about 11in in diameter. Now remember this is very dangerous and could even be lethal.I hope this helped you.Thanks for looking--Tiana5701
A weather man tells the weather by doing a lot of tests on earth and also sending up weather balloons so hecan do more tests to see what the weather is going to be.
A weather balloon is something that people who study weather send up into the air to learn more about weather and find weather patterns.
About 3.
There's many. Weather balloons, weather instruments, computer models, radars, and satellites----just to name a few.Weather measurement include the anemometer, thermometer, hygrometer, barometer, and rain gage.