Earth Satellite Orbital Speed · CAP 2012 #3

Physics · mechanics

Problem

An Earth satellite revolves in a circular orbit at a height h from the surface of the Earth. If R is the Earth's radius and g is the acceleration due to gravity at the surface of the Earth, then the speed of the satellite is given by: a) gR\sqrt{gR} b) g(R+h)\sqrt{g(R+h)} c) gRR+h\sqrt{g \frac{R}{R + h}} d) gR(R+h)2\sqrt{\frac{gR}{(R+h)^2}}

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