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## Homework Statement

Use Newton's law of universal gravitation to find an equation where x is equal to an object's distance from Earth's center, and y is its acceleration due to gravity. Use a graphing calculator to graph this equation, using 6400-6600 km as the range for x and 9-10 m/s2 as the range for y. The equation should be of the form y = c(1/x2).

(a) Trace along this graph and find y at sea level, 6400 km.

(b) Trace along this graph and find y on top of Mt. Everest, 6410 km.

(c) Trace along this graph and find y in a typical satellite orbit, 6500 km.

(d) Trace along this graph and find y in a much higher orbit, 6600 km.

i got no idea how to solve any help or the answers would help greatly