Physics, 06.02.2021 21:10 madisontrosclair2
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
Answers: 3
Physics, 22.06.2019 12:00
Explain what happens at the saturation point when adding salt to water at room temperature.
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Physics, 22.06.2019 21:30
Atoaster oven has a resistive heating element. the average rate at which it dissipates energy as thermal energy is 1.00 \(\rm kw\). in the united states, emf amplitude in household circuits is \(\mathcal e_{\max}\) = 170 \({\rm \; v}\) and the \(\rm ac\) oscillation rate is 60 \(\rm hz\). part a what is the root-mean-square current through the heating element?
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Physics, 23.06.2019 00:50
Which of the following examples illustrates static friction? a box sits stationary on a ramp. a ball rolling on the lawn eventually comes to rest. a car rounds a curve on a road. a fish swims upstream.
Answers: 1
Physics, 23.06.2019 01:00
What electron configurations do atoms usually achieve by sharing electrons to form covalent bonds?
Answers: 3
Furnace oil has a heat of combustion of 44 MJ/kg. assuming that 70% of the heat is useful, how many...
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