Question

Velocity of an object at 80km distance from earthnsurface if radius of earyh is 6400 km

Answer 1

Answer:

Explanation:

Given: Density of material of planet = ρ = 104 kg/m3, G = 6.67 x 10-11 N m2/kg2 ;

To Find: Period of Satellite = T =?

The time period of a satellite orbiting around the earth is given by

If satellite orbiting very close to the earth  (i.e. h < < R) then h can be neglected. Then R + h = R

Ans: Time of revolution of the satellite is 1.044 hr

vishal