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earth

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a satellite orbits the earth in circular orbit 620 km above the suface. if the radius of the earth is 6380 km, calculate, to 3 significanf figures, the distance travelled in a single orbit?

  • earth -

    C = pi * d

    C = 3.14 * (12,760 + 1,240)

    C = ?

  • earth -

    circumference of a cirle = pi x diameter.
    pi = 3.1415926535 (or just use pi button on calculator)
    Diameter = 2 x radius
    radius = 6380 (+620) or 7000km
    now you have all the info you need, plug in the numbers

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