A Simple Pendulum Has a Period T on Earth $\sqrt { 3 }$

Multiple Choice

A simple pendulum has a period T on Earth.If it were used on Planet X,where the free fall acceleration is 3 times what it is on Earth,what would its period be?

A) 3T
B) $\sqrt { 3 }$ T
C) T
D) T/ $\sqrt { 3 }$
E) T/3