For a satellite to be in a circular orbit 890 km above the surface of the earth, (a) what orbital speed must it be given?

A satellite is in an elliptic orbit around the Earth (Fig. 8–51). Its speed at the perigee A is 8650 m/s.

(a) Use conservation of energy to determine its speed at B. .

<IMAGE>

A satellite is in an elliptic orbit around the Earth (Fig. 8–51). Its speed at the perigee A is 8650 m/s.

(b) Use conservation of energy to determine the speed at the apogee C.

<IMAGE>

A satellite is in an elliptic orbit around the Earth (Fig. 8–51). Its speed at the perigee A is 8650 m/s.

(a) Use conservation of energy to determine its speed at B. .

<IMAGE>