Physics
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A spacecraft of mass msp orbits the Earth in a circular path with a radius rsp. Obtain an expression for the kinetic energy Ksp of the spacecraft.
K = GMemsp2rsp\frac{GM_{e}m_{sp}}{2r_{sp}}2rspGMemsp
K = GMemsp2rsp2\frac{GM_{e}m_{sp}^2}{r_{sp}^2}rsp2GMemsp2
K = GMe2msp22rsp\frac{GM_{e}^2m_{sp}^2}{2r_{sp}}2rspGMe2msp2
K = GMemsp4rsp2\frac{GM_{e}m_{sp}}{4r_{sp}^2}4rsp2GMemsp