The rocket is travelling in a free-flight elliptical orbit about the earth such that the eccentricity is «e» and its perigee is a distance «d» as shown. Determine its speed when it is &ress ESC or double-click to exit full screen mode Also, determine the sudden decrease in speed the rocket must experience at A in order to travel in a circular orbit about the earth. Given d= 9*106 m e = 0.76 G = 6.673x10-1l Nm²/kg² M. = 5.976x1024 kg ||

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.