Solve the all parts of given problemproblem the star rho1, Ask an Expert

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Solve the all parts of given problem:

Problem: The star Rho1 Cancri is 57 light-years from the earth and has a mass 0.85 times that of our sun. A planet has been detected in a circular orbit around Rho1 Cancri with an orbital radius equal to 0.11 times the radius of the earth's orbit around the sun.

Part A: What is the orbital speed of the planet of Rho1 Cancri?

Part B: What is the orbital period of the planet of Rho1 Cancri?

I want help to determine the orbital speed of the planet of Rho1 Cancri.

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