Question & Answer » Physics Questions » An artificial satellite is moving in a circular orbit with a radius of 42250 km. Calculate its speed if it takes 24 hours to revolve around the earth?

An artificial satellite is moving in a circular orbit with a radius of 42250 km. Calculate its speed if it takes 24 hours to revolve around the earth?

Answer:

The orbit’s circumference is equal to 2πr.

The orbit’s circumference is equivalent to 2×π×42250.

The orbit’s circumference is 265330 kilometers.

The orbit takes 24 hours to complete.

Thus, the satellite’s speed equals 265330/24.

The satellite’s frequency is 11055.41 km/h.

Our satellite’s speed is 26533/8640.

[24 hour = 24 × 60 × 60 = 86400 seconds]

The satellite’s pace is 3.07 km/s.