You Want to Test How the Mass of a Ball

Multiple Choice

You want to test how the mass of a ball affects its rate of fall. Which of the following ball drop trials (matched mass and drop heights) would best test this question?

A) mass of 0.5 kg, height 20 m/mass of 0.5 kg, height 20 m
B) mass of 0.5 kg, height 20 m/mass of 0.5 kg, height 10 m
C) mass of 0.5 kg, height 20 m/mass of 5.0 kg, height 20 m
D) mass of 0.5 kg, height 20 m/mass of 5.0 kg, height 10 m