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A satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 2.60 104 s. What is the speed at which the satellite travels?

  • Physics -

    T = orbital period in seconds
    µ = Earth's gravitational constant = 3.98x10^14
    r = radius of orbit in meters

    From T = 2(Pi)sqrt[r^3/µ] r = 18,959.3m.
    From V = sqrt[µ/r], V = 4581m/s

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