Finding the speed to orbit Deimos

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The discussion centers on a homework problem involving the speed required to orbit Deimos, questioning the multiplication of the radius by 10^3 in calculations. Participants seek clarification on the units associated with the radius of 6.3, as well as the units of length relevant to the gravitational constant (G). Understanding these units is crucial for accurate calculations in orbital mechanics. The conversation emphasizes the importance of unit consistency in physics problems. Accurate interpretation of the problem's parameters is essential for deriving the correct solution.
aron silvester

Homework Statement


They stated in the problem that the radius is 6.3. Why did they multiply it by 10^3 during the calculation?
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Homework Equations


It's in part 1 and 3.

The Attempt at a Solution


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What are the units that go with the 6.3 stated in the problem? What are the units of length contained in the units for G?
 
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