Question

A satellite with mass 898 kg is in a circular orbit with an orbital speed of...

A satellite with mass 898 kg is in a circular orbit with an orbital speed of 5840 m/s around the earth.

a) What is the new orbital speed after friction from the earth's upper atmosphere has done −7.5×10^9 J of work on the satellite? Express your answer with the appropriate units.

b)  Does the speed increase or decrease?

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Answer #1

Ans- Given data: 59% +3 mass ma orbital speed V, - 58 40 mbs work friction wfriction - 7.5 x109 I - 5840 m/s Satellite m = 89V₂ 2 Wfriction V, 2 m 2 (7.5x109) 5840 898 5840+ 16 703786.19) - 16709626.191 V₂ = 4087.74 m/s b) new orbital speed is 4087.7

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