1 kg plastik and 1 kg water to wHo is a high wight
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Answer:
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Answer:
If you consider the plastic bottle of having a negligible weight then the mass is close to 1kg.
Water has a density of around 1g/cm³ (to be specific it is 0.997g/cm³)
In SI units that would be 997 kg/m³ but it's easier to use g/cm³ here
1 litre = 1000cm³
Density is mass/volume (we know this as the units of density is g/cm³ or kg/m³)
Ergo mass is density times volume
Density = 0.997g/cm³ Volume = 1000cm³
0.997g/cm³ × 1000cm³ = 997g (note the cm³ both cancel each other out so its grams)
So 1 litre of water is 997g . The plastic bottle itself probably has a weight of I imagine 20g ish. So i would imagine the bottle of water to have a mass of in the region of 1.017kg.
Slight nuance but weight is technically measured in Newtons and Mass is measured in kilograms.
The ‘weight’ is equal to the mass multiplied by the gravitational field strength which on earth is around 9.8 m/s² (the rate at which an object accelerates at as it falls down towards the ground due to gravity without air resistance)
1.017kg × 9.8m/s² = 9.97 kgm/s² or 9.97N
So the weight of your bottle is around 9.97N on Earth at close to sea level.