physics - forces

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Calculate the velocity of a satellite moving in a stable circular orbit about the Earth at a height of 2600 km.

  • physics - forces -

    Fgravity=Fcentripetal

    GMearth/(radEarth+ 2600km)^2= mv^2/(radearth+2600)

    solve for v.

    change all distances to meters..

  • physics - forces -

    would m be the mass of the earth?

  • physics - forces -

    m is mass satellite.
    And I forgot one on the left of that line.
    Here is is corrected:

    GMearth*m/(radEarth+ 2600km)^2= mv^2/(radearth+2600)

  • physics - forces -

    does that mean the mass of the statellite cancels? because the mass of the statellite isnt given

  • physics - forces -

    yes, the mass of the satellite divides out.

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