Which gas prevents damaging ultraviolet radiation from the sun from reaching earth's surface?
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Ответ:
T = 3.14 hours
Explanation:
We need to find the orbital period (in hours) of an observation satellite in a circular orbit 1,787 km above Mars.
We know that the radius of Mars is 3,389.5 km.
So, r = 1,787 + 3,389.5 = 5176.5 km
Using Kepler's law,
M is mass of Mars,
So,
or
T = 3.14 hours
So, the orbital period is 3.14 hours