Aman enters a tall tower, needing to know its height. he notes that a long pendulum extends from the ceiling almost to the floor and that its period is 15.3 s. how tall is the tower

A man enters a tall tower, needing to know its hieght. He notes that a long pendulum extends from the ceiling almost tothe floor and that its period is 15.5s. (a) How tall isthe tower? (b) If this pendulum is taken to the Moon,where the free-fall acceleration is 1.67m/s2, what isthe period there?T=15.5s(a) L=T2g/4π2