# ps05sol - MASSACHUSETTS INSTITUTE OF TECHNOLOGY Department...

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Hour Two: Problem Solving Session 8: Work and the Dot Product Reading: YF 6.1-6.4 Oct 15 Hour One: Problem Solving Session 9: Work Done by Friction and other Dissipative Forces; Motion With Dissipative Forces Reading: YF 5.3, 6.1-6.4 Problem Set 6: Due Tues Oct 19 at 4:00 pm.
Second Law Applications: synchronous satellite) A synchronous satellite goes around the earth once every 24 h, so that its position appears stationary with respect to a ground station The mass of the earth is m = 5.98 × 10 24 k g . e The mean radius of the earth is r = 6.37 × 10 6 m . The universal constant of gravitation is e 2 G = 6.67 × 10 11 N m k g 2 . Your goal is to find the radius of the orbit of a synchronous satellite that circles the earth. a) Describe what motion models this problem. Write down a vector description of the acceleration. Clearly indicate your choice of unit vectors and your reasoning for choosing them. b)

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## This note was uploaded on 04/22/2011 for the course PHYS 1441 taught by Professor White during the Spring '08 term at UT Arlington.

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ps05sol - MASSACHUSETTS INSTITUTE OF TECHNOLOGY Department...

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