Three Physical Pendulums, with Masses M₁, M₂ = 2m₁, and M₃

Multiple Choice

Three physical pendulums, with masses m₁, m₂ = 2m₁, and m₃ = 3m₁, have the same shape and size and are suspended at the same point.Rank them according to their periods, from shortest to longest.

A) 1, 2, 3
B) 3, 2, 1
C) 2, 3, 1
D) 2, 1, 3
E) All three are the same