A Rocket Ship Is Coasting Toward a Planet

Multiple Choice

A rocket ship is coasting toward a planet.Its captain wishes to know the value of g at the surface of the planet.This may be inferred by:

A) measuring the apparent weight of one of the crew
B) measuring the apparent weight of an object of known mass in the ship
C) measuring the diameter of the planet
D) measuring the density of the planet
E) observing the ship's acceleration and correcting for the distance from the center of the planet