Please solve these and show all the solutions.

1. The mean distance from Mars to the Sun is 1.52 times that of the Earth from the Sun. Calculate the number of years required for Mars to make one revolution around the Sun.

2. Europa, a satellite of Jupiter, has a period of 3.55 days. How many units is its radial distance?

3. A satellite is put into a circular orbit about Earth with a radius equal to one-half the radius of the Moon’s orbit. What is its period of revolution in lunar months? (A lunar month is the period of revolution of the moon.)



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