You roll a ball off a table and at the same time drop a second ball straight down from the edge of table.The second ball reaches the ground ____________ the first ball reaches the ground.
A)before
B)at the same time that
C)after
D)before or after,depending on the masses,
E)cannot be determined

Question

Quizplus · Accepted Answer

Both balls will reach the ground at the same time regardless of their masses because they are both affected by the same acceleration due to gravity. This is known as the principle of equivalence.

You Roll a Ball Off a Table and at the Same