Physics

Problem

In terms of the planet’s mass

M

, the satellite’s mass

m

, and its orbital radius

r

, what is the total mechanical energy

E

of a satellite that moves in a perfectly circular orbit around the planet? a)

E=-\dfrac{GMm}{r}

E=\dfrac{GMm}{2r}

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

E=\dfrac{GMm}{r}