Question

B 13,900 km A с 16,460 km 8230 km 8230 km

A satellite is in an elliptic orbit around the Earth. Its speed at the perigee A is 8500 m/s (Figure 1) .

A) Use conservation of energy to determine its speed at B. The radius of the Earth is 6380 km.\

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

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Answer #1

Apply law of conservation of energy between point A and point B: GMm 1 GMm + mv +-m muz 2 Тв 2 1 =- GM GM VB Тв 14 (6.67x10-1

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