Engineering Mechanics - DynamicsChapter 13G6.6731011−×Nm2kg2⋅=Solution:Central - Force motion:rar02GMr0v021−=ba2GkMe()avp21−=vp2ebaa b+=vp7.472kms=Problem 13-122The rocket is traveling in free flight along an elliptical trajectory A'A.The planet has no atmosphere,and its mass is ktimes that of the earth’s. The rocket has an apoapsis and periapsis as shown inthe figure. If the rocket is to land on the surface of the planet, determine the required free-flightspeed it must have at A'so that it strikes the planet at
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