Acube of gold weights1.89n when suspended in air from a spring scale. when suspended in molasses, it appears to weight 1.76 n. what is the bouyancy force acting on the cube? do you think the buoyancy force would bengreater or smaller if the gold cube were suspended in water?
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Physics, 21.06.2019 21:50
Apossible explanation for a set of facts that can be tested by further investigation is called
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Physics, 22.06.2019 13:30
6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.
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Physics, 22.06.2019 16:30
He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is
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Physics, 22.06.2019 18:30
Aprotein molecule in an electrophoresis gel has a negative charge. the exact charge depends on the ph of the solution, but 30 excess electrons is typical. what is the magnitude of the electric force on a protein with this charge in a 1600n/c electric field? write in two significant numbers, and also in newton
Answers: 2
Acube of gold weights1.89n when suspended in air from a spring scale. when suspended in molasses, it...
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