On the moon, the acceleration of a free-falling object is −1.6 meters per second per second. a stone is dropped from a cliff on the moon and hits the surface of the moon 16 seconds later. how far did it fall? (round your answer to one decimal place.)

Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.

Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.

Define the terms moral development and moral reasoning.