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Physics, 21.06.2019 17:20
Your 249 ml cup of coffee is too hot to drink when served at 82 degree celsius. what is the mass of an ice cube taken from a -21 degree celsius freezer, that will cool your coffee to a pleasant 54 degree celsius. specific heat of the water is 4190 j/kg c, specific heat of ice is 2090 j/kg c, heat of fusion of ice is 3.33 x 10^5 j/kg
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Physics, 21.06.2019 23:30
What are chlorofluorocarbons and what impact do they have on the atmosphere?
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Physics, 22.06.2019 03:30
What is the momentum of a 2 kg object moving at 15 meters per second
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