Question

One of Saturn's moon is named as Mimas. The orbital radius of Mimas is 1.87*10^8 from Saturn. The mean orbital period of Mimas is approximately 23 hours. Calculate the speed of Mimas with which it revolves around Saturn. Assume that the path taken is circular.
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Answer 1

Answer:

It was discovered in 1789 by the English astronomer William Herschel and named for one of the Giants (Gigantes) of Greek mythology. Mimas measures about 400 km (250 miles) in diameter and revolves around the planet in a prograde, near-circular orbit at a mean distance of 185,520 km (115,277 miles).