The true period of revolution of any planet is
a) the synodic period.
b) the sidereal period.
c) given in astronomical units.
d) always exactly one year.
Question 2
If you know the impulse that has acted on a body of mass m you can calculate
a. its initial velocity.
b. its final velocity.
c. its final momentum.
d. the change in its velocity.
e. its acceleration during the impulse.