prob_025 - 25. REASONING The magnitude of the gravitational...

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25. REASONING The magnitude of the gravitational force exerted on the satellite by the earth is given by Equation 4.3 as 2 satellite earth / FG m m r = , where r is the distance between the satellite and the center of the earth. This expression also gives the magnitude of the gravitational force exerted on the earth by the satellite. According to Newton’s second law, the magnitude of the earth’s acceleration is equal to the magnitude of the gravitational force exerted on it divided by its mass. Similarly, the magnitude of the satellite’s acceleration is equal to the magnitude of the gravitational force exerted on it divided by its mass. SOLUTION a. The magnitude of the gravitational force exerted on the satellite when it is a distance of two earth radii from the center of the earth is () 11 2 2 24 3 satellite earth 22 6 6.67 10 N m / kg
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This note was uploaded on 01/29/2010 for the course CALC 01:640:135 taught by Professor Soffer during the Spring '08 term at Rutgers.

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