1.

What is orbital velocity ? Obtain formula fororbital velocity of the earth satellite.

Answer»

theorbital velocityof an astronomical body or object (e.g.planet) is thespeedat which itorbits.V=√(GM÷R)

Theorbital speedcan be found using v = SQRT(G*M/R). The R value (radius oforbit) is theearth'sradius plus the height above theearth- in this case, 6.59 x 106m. Substituting and solving yields aspeedof 7780 m/s



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