A satellite is in a circular orbit 810 km above the Earth’s surface; i.e., it moves on a circular path under the influence of nothing but the Earth’s gravity.

Find the speed of the satellite. The radius of the Earth is 6.37 × 106 m, and the accel- eration of gravity at the satellite’s altitude is 7.7401 m/s2 .
Answer in units of km/s.
004 (part 1 of 2) 10.0 points

1 answer

a=v^2/r^2

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