Helium/hydrogen
An empty barrel that weighs 9 kilograms can be reduced to 8 kilograms by putting a hole in it. The hole has to be large enough to remove exactly 1 kilogram from the barrel.
An empty 55-gallon steel barrel typically weighs around 30-35 pounds.
An empty wood whiskey barrel typically weighs around 20-25 pounds. However, the weight can vary depending on the size and type of wood used for the barrel.
You could put a 1 kg weight inside the barrel to make it weigh 8 kg.
The weight of an empty LPG gas cylinder typically ranges from 15 to 35 kilograms, depending on the size and capacity of the cylinder.
An empty barrel that weighs 9 kilograms can be reduced to 8 kilograms by putting a hole in it. The hole has to be large enough to remove exactly 1 kilogram from the barrel.
Wait a couple of hundred years and put anti-gravity in it. Put air in it and take it on a ride on the vomit comet aircraft to have the barrel experence weightlessness. Maybe you could just take the top off and let it fill with the sorrounding air and it will weigh less while the top is off. BEST ANSWER: A HOLE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!11
An empty 55-gallon steel barrel typically weighs around 30-35 pounds.
An empty wood whiskey barrel typically weighs around 20-25 pounds. However, the weight can vary depending on the size and type of wood used for the barrel.
You could put a 1 kg weight inside the barrel to make it weigh 8 kg.
You could put a flexible bladder (balloon) filled with helium in it. The classic answer to this old question is: Fill it full of holes.
The weight of an empty LPG gas cylinder typically ranges from 15 to 35 kilograms, depending on the size and capacity of the cylinder.
The barrel is the hallow part of a wave that is moving. The barrel is surrunded by water but still has empty space where the barrel is.
The correct wording is "Empty vessels make the most noise". When you knock on a empty barrel, it's loud, a full barrel is quiet. SO, he who has nothing to say - says too much.
A new 59 gallon oak barrel weighs about 120 lbs when empty. 600 lbs when full of wine. Used barrels weigh more due to the wine/spirit that has soaked into the grain. The weight can vary due to shape, construction and forest source. Barrels should always be filled on specially made racks. Don't attempt to lift a full barrel(s) without a forklift, a loaded 2-barrel rack can weigh 1250 lbs.
A full keg would weigh 160.5 pounds...An empty keg weighs about 29.7 pounds.
a big hole