A 30-Kg Mass and a 5

Multiple Choice

A 3.0-kg mass and a 5.0-kg mass hang vertically at the opposite ends of a rope that goes over an ideal pulley.If the masses are gently released from rest,how long does it take for the 3.0-kg mass to rise by 1.0 m?

A) 0.41 s
B) 0.74 s
C) 0.82 s
D) 1.8 s
E) 0.90 s