Question

A satellite orbits Earth at an altitude of 400 km above the planet’s surface. What is its linear speed in m/s

Answer 1

Answer:

A satellite orbits the earth at a height of 400 km above the surface. How much energy must be expended to rocket the satellite out of the earth's gravitational influence? Mass of the satellite =200 kg; mass of the earth =6.0×10

24

kg; radius of the earth =6.4×10

6

m; G = 6.67×10

−11

Nm

2

kg

−2

.