Posted by **linda** on Thursday, November 12, 2009 at 1:13pm.

You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 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: , where C is a constant, and r is the distance that the object is from the center of the earth.

a. Solve the equation for r.

- algebra -
**PsyDAG**, Sunday, November 15, 2009 at 12:45am
What is the equation?

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