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2006-11-30 05:45:37 · 15 answers · asked by mick f 1 in Science & Mathematics Physics

15 answers

Do you mean mass or weight?

To get the mass of 1 cubic meter of water:

A cubic meter is a cube 1m x 1m x 1m

Convert to centimeters this gives 100cm x 100 cm x 100cm

Therefore the volumen of the cube in cubic cm is 1000000 cm3

1 litre = 1000 cm3 therfore :
volume in litres is 1000000 / 1000 = 1000 l

relative density of water is 1kg / l therefore the mass of the water is 1000kg or 1 tonne.

Weight is the gravitational force exerceted on the water by the earths gravitational pull. I'm assuming the water is stationary at ground level and not in orbit or something daft. The effect of gravity at ground level is given by the constant g which is 9.8N/kg.

Therefore the weight of the water is 1000 * 9.8 = 9800N

2006-11-30 05:58:47 · answer #1 · answered by Mike 4 · 2 0

1 Cubic Meter Of Water

2016-11-11 05:08:46 · answer #2 · answered by ? 4 · 0 0

I'll give the answer in metric units, as that makes it very simple. The unit of mass the 'gram' was based on the mass of water- specifically, one cubic centimeter is one gram of water. One meter is 100 centimeters, so one cubic meter is the cube of 100 centimeters- or (10^2cm)^3=10^6cm^3=1000000 cm^3. So, the mass of 1 cubic meter of water is 10^6g=10^3kg=1000 kilograms The weight is defined as the force exerted by gravity, so to get the weight you'll need to multiply by gravitational acceleration 9.8m/s^2. The result is 9,800 N (N is newtons, the common metric unit of force). I've assumed standard conditions- the density of water is pretty constant, but not quite, and gravitational acceleration varies a bit depending upon where in the world you are.

2006-11-30 05:57:56 · answer #3 · answered by Anonymous · 1 0

One cubic centimeter of water weighs 1 gram.

A cubic meter is 1,000,000 cubic cm.

Therefore, 1 cubic meter of water weighs 1,000,000 grams or 1000 kilogram, which is about 2200 pounds

2006-11-30 06:19:09 · answer #4 · answered by MustangGT 2 · 0 0

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1 litre of water weighs 1kg. Therefore 1000 litres (1m3) will weigh 1000kg, or 1 metric tonne. To measure the weight of different fluids, you need to know the "specific gravity" of the fluid you want to calculate. Specific gravity alters depending on the denisty of the liquid (i.e. how much matter is contained within a certain volume) Water (in absolutely pure form) is standardised as having a specific gravity (s.g.) of 1: all other fluids are relative to this. For instance, 12.5% ferric chloride solution has a specific gravityof 1.6; therefore 1m3 will weigh 1600kg.

2016-04-03 23:44:49 · answer #5 · answered by ? 4 · 0 0

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2016-06-24 21:55:45 · answer #9 · answered by ? 3 · 0 0

1 tonne

2006-11-30 05:48:00 · answer #10 · answered by Mr Cheese 3 · 0 0

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