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    Quiz: Calculating Gravitational Forces and Orbital Speeds

    I have to make a sample quiz for class. Can someone look these over and answer them so I can make sure my work is correct 1. The value of g at the Earth's surface is about 10 m/s2. What is its value at a distance from the Earth's center that is three times the Earth's radius? 2.Calculate...
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    I have to make sample questions for class

    Can someone look these over and answer them so I can make sure my work is correct 1. The value of g at the Earth's surface is about 10 m/s2. What is its value at a distance from the Earth's center that is three times the Earth's radius? 2.Calculate the speed in meters per second at which the...