Physics

Problem

State the expression for the total mechanical energy

E

of a satellite of mass

m

moving in a circular orbit of radius

r

around a planet of mass

M

. a)

E = \dfrac{GMm}{2r}

E = -\dfrac{GMm}{2r}

E = -\dfrac{GMm}{r}

E = -\dfrac{3GMm}{4r}