Physics, 12.07.2019 15:30 baby0905rodriguez
6hematite (iron ore) weighing 70.7 g was placed in a flask whose volume was 53.2 ml. the flask with hematite was then carefully filled with water and weighed. the hematite and water weighed 109.3 g. the density of the water was 0.997 g/cm3 . what was the density of the hematite?
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Physics, 22.06.2019 13:10
Aplane flying horizontally at an altitude of 1 mile and a speed of of 500mih passes directly over a radar station. find the rate at which the distance from the plane to the station is increasing when it is 2mi away from the station.
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Physics, 22.06.2019 15:30
Identify the correct relation showing that the radius r of the orbit of a moon of a given planet can be determined from the radius r of the planet, the acceleration of gravity at the surface of the planet, and the time τ required by the moon to complete one full revolution about the planet. determine the acceleration of gravity at the surface of the planet jupiter knowing that r = 71 492 km and that t= 3.551 days and r= 670.9 × 10^3 km for its moon europa.
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Physics, 22.06.2019 16:30
In a hydrogen molecule there are a total of four charges, 2 protons in the two nuclei, and 2 electrons. how many unique charge-pairs are there (without double counting)?
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Physics, 22.06.2019 16:30
If anyone who can me with this hw? i would really appreciate it
Answers: 2
6hematite (iron ore) weighing 70.7 g was placed in a flask whose volume was 53.2 ml. the flask with...
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