CSU - Dominguez hills
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Date Created: 11/16/15
Axia College Material Radicals Appendix E Application Practice Answer the following questions Use Equation Editor to write mathematical expressions and equations First save this file to your hard drive by selecting Save As from the File menu Click the white space below each question to maintain proper formatting Hint Pay attention to the units of measure You may have to convert from feet to miles several times in this assignment You can use 1 mile 5280 feet for your conversions 1 Many people know that the weight of an object varies on different planets but did you know that the weight of an object on Earth also varies according to the elevation of the object In particular the weight of an object follows this equation w Cr 2 where C is a constant and r is the distance that the object is from the center of Earth a Solve the equation w Cr z for r w Crquot2 w Cr2 w C r2 Cw r Cw Suppose that an object is 100 pounds when it is at sea level Find the value of C that makes the equation true Sea level is 3963 miles from the center of the Earth 100 39632 100 15705369 15705369 109 1570536900 0000 Use the value of 0 you found in the previous question to determine how much the object would weigh in i Death Valley 282 feet below sea level 282 feet 2825280 miles 00534090909 miles 3963 00534090909 396294659 r w 1570536900 3962946592 w 100002695 lbs MAT117 ii the top of Mount McKinley 20320 feet above sea level 20320 feet 203205280 miles 3848485 miles 3963 3848485 395915152 r w 1570536900 3959151522 w 1002 lbs 2 The equation 1 12 gives the distance D in miles that a person can see to the horizon from a height h in feet a Solve this equation for h D 1 2quot2 h b Long s Peak in Rocky Mountain National Park is 14255 feet in elevation How far can you see to the horizon from the top of Long s Peak Can you see Cheyenne Wyoming about 89 miles away Explain your answer D1214255 D12119394305 D143273166 A person can see 14327 miles from the top and yes you can see Cheyenne because 89 miles is less than 143 miles 4040 POINTS MAT117
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