Our Moon in Earth orbit travels fastest when it is
A) involved in an eclipse.
B) rotating.
C) revolving.
D) closest.
E) all of the above
Question 2
While an airplane flies at 40 m/s at an altitude of 500 meters, the pilot drops a heavy package that falls to the ground. Neglecting air drag, about where does the package land relative to the plane flying above?
A) directly beneath the plane
B) 400 m behind the plane
C) 500 m behind the plane
D) more than 500 m behind the plane
E) none of the above
