Kime, Explorations in College Algebra, se Tech Update COLLEGE ALGEBRA (MAT 102 A
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Kime, Explorations in College Algebra, se Tech Update COLLEGE ALGEBRA (MAT 102 Assignment MESSAGE MY INSTRUCTOR FULL SCREEN Chapter 4, Exercises for Section 4-4, Question 12 Earth travels in an approximately circular orbit around the sun. The average radius of Earth's orbit around the sun is 9.3 10 miles. Earth takes one year, or 365 days, to complete one orbit. Round the answers to two decimal places, if required, a. Use the formula for the circumference of the circle to determine the distance, L the Earth travels in one year. Express your L a 10 miles, where a and b. How many hours, H are in one year? c. Speed is distance divided by time. Find the orbital speed, V of Earth in miles per hour. miles per hour click if you would like to show work for this question: Open Show.Work Policor &2000:2012 lohn.wley.ASons, All Rights Reserved. A Devision of haba Wilty ASons unc. Version 4.22.1.2Explanation / Answer
L=circumfrence of the orbit=distance traveled..
=2*pi*r=2*9.3*10^7*3.14=58.43362*10^7=a*10^n
Hence a=58.43362 and n=7.
B)a day consisting of 24 hours.
So year consists of =365* 24=8760 hrs..
C) speed = orbital distance/time
=(58.43362*10^7)/8760
=.00667*10^7mph
=66.7*10^5mph
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