Physics

The command module orbited at an altitude of 110 km above the lunar surface. How much time did it take for the command module to complete one orbit?

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  1. Look up the mass M of the moon and the gravitational constant G, and then just plug them into your formula

    T = 2π√(r^3/(GM))

    Note that r is the radius of the orbit, not its altitude above the surface.

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  2. How do I find the radius of the orbit?

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  3. come on, come on.
    It's the radius of the moon + 110 km

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  4. I am not good at physics, hence why I came here for help and not to be put down. Thanks.

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  5. sorry. you don't have to know any physics to figure that out, if you just draw a diagram of the satellite going around the moon. I don't mind helping, but I do kind of expect you to put in some effort as well.

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