Calculate the orbital speed in km/s of the planet Threa given that the radius of the Threa's orbit is 1.5 x 108 km and 1 year lasts for 500 earth days. Assumptions: Threa's orbit is circular Threa's star is at the exact center of its orbit

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Chapter4: The Origin Of Modern Astronomy
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Calculate the orbital speed in km/s of the planet Threa given that the radius of the Threa's orbit is 1.5 x 108 km and 1 year lasts for 500 earth days.

Assumptions:

  • Threa's orbit is circular
  • Threa's star is at the exact center of its orbit
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