On Mars, an object dropped from rest falls a distance of 4 m in 1 second. How far will it fall in 2 second, neglecting "air" resistance on Mars?
A) 8 m
B) 12 m
C) 16 m
D) 32 m
E) 24 m

Question

Quizplus · Accepted Answer

The distance an object falls is proportional to the square of the time it has been falling. If it falls 4 m in 1 second, it will fall 4 times that distance in 2 seconds (since 2^2 = 4), so it will fall 16 m in 2 seconds.

On Mars, an Object Dropped from Rest Falls a Distance