Problem: An earth satellite moves in a circular orbit at a speed of 4000 m/s. What is its orbital period?

FREE Expert Solution

Velocity:

v=GMR

Period:

T=2πR3GM

G = 6.67 × 10-11 N•m2/kg2

Mearth = 5.98 × 1024 kg

R = v2/GM = 40002/(6.67 × 10-11 × 5.98 × 1024) = 24.93 × 106 m.

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Problem Details

An earth satellite moves in a circular orbit at a speed of 4000 m/s. What is its orbital period?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Satellite Motion: Speed & Period concept. You can view video lessons to learn Satellite Motion: Speed & Period. Or if you need more Satellite Motion: Speed & Period practice, you can also practice Satellite Motion: Speed & Period practice problems.