FUNDAMENTALS OF PHYSICS - EXTENDED
12th Edition
ISBN: 9781119773511
Author: Halliday
Publisher: WILEY
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Given the density of iron as 7800 kg/m 3 , and the Earth radius is 6.38 x 10 6 m, if 55% of the Earth's volume is filled with Iron, and 45% is filled with rocks that has a density of 2600 kg/m 3 , what is the total mass of the Earth?
I am looking for the total mass. m=densityxvolume, but am confused as im not such if i take 55% of irons density and 45% of the rocks density?
Earth is approximately a sphere of radius 6.37 * 106 m.What are (a) its circumference in kilometers, (b) its surface area insquare kilometers, and (c) its volume in cubic kilometers?
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0.3cm
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The accepted thickness of a sheet in the South College Catalog is 0.123 mm. If there
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