A new extrasolar planet (outside our solar system) has been discovered. This planet orbits a star...

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A new extrasolar planet (outside our solar system) has been discovered. This planet orbits a star...

A new extrasolar planet (outside our solar system) has been discovered. This planet orbits a star of mass 8.72×1030 kg with a period of 6.42 years . It is also known that the planet has an eccentricity of 0.694. What is the average velocity of the planet in its orbit?

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