Acompass taken to earth’s moon does not point in a specific direction on the moon.
what is the most likely reason for the difference between how the compass works on earth and on the moon?
the moon lacks an atmosphere.
the moon contains no rocks that have iron.
the moon does not have a liquid core.
the moon has no bodies of water.

An object of dimensions 50 cm x 40 cm x 0.20 cm has a mass 60g. find its density in g/cm3 and kg/ m3

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.