Mars has an orbital radius of 1.523 AU and an orbital period of 687.0 days. What is its average speed v in SI units? (1 AU is the astronomical unit, the mean distance between the Sun and the Earth, which is 1.496×1011 m)

An Introduction to Physical Science
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Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
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Chapter15: Place And Time
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Mars has an orbital radius of 1.523 AU and an orbital period of 687.0 days. What is its average speed v in SI units? (1 AU is the astronomical unit, the mean distance between the Sun and the Earth, which is 1.496×1011 m)

a. 0.00221 AU/day
b. 3838 m/s
c. 0
d. 1.28×10−9 m/s

 

 

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