Question

A satellite of mass 500 kg be moving in an orbit of radius r = 6400 km around the earth then the orbital velocity of satellite is ( g = 10 m/s ^ 2 )

1: 8000 m/ s
2: 7000m/s
3: 1000 m/s
4: 6000 m/s ​

Answer 1

Answer:

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Explanation:

Given :

▪ Mass of satellite = 500kg

▪ Radius of orbit = 6400km

▪ Acc. due to gravity = 10m/s

To Find :

▪ Orbital velocity of satellite.

Formula :

→ Formula of orbital velocity of a satellite Which revolves close to earth's surface is given by

Vo=$\sqrt{gr$

Vo denotes orbital velocity

g denotes acceleration due to gravity

R denotes radius of orbit

Vo=$\sqrt{gr$

Vo=$\sqrt{10 *6400 *10^3$

Vo=$\sqrt{64*10^3$

Vo=8000 m/s=8kmps

Orbital velocity of satellite doesn't depend on the mass of satellite.