aryanaengel44
06.02.2021 •
Physics
Furnace oil has a heat of combustion of 44 MJ/kg. assuming that 70% of the heat is useful, how many kilograms of oil are required to raise the temperature of 2000 kg of water from 20 degree Celsius to 99 degree celsius
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Ответ:
1.) distance is always positive while displacement can be negative as well.
2.) distance cannot be 0 but displacement can be 0.
3.) distance is a scalar quantity while displacement is vector quantity.