Posted: August 17th, 2016
Earth has a radius of about 6400 km, the sun has a radius of about 7.0×105
km, and a rubber ball has a radius of 6.4 cm. If you were to construct a scale model of the solar system using the rubber ball to represent Earth, what is the radius of a ball needed to represent the sun in your model?
a. 7.0×105 cm
b. 7.0 cm
c. 700 cm
d. 70 cm
e. 7000 cm
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