A man enters a tall tower, needing to know its height. He notes that a long pendulum extends from the ceiling almost to the oor and that its period

A man enters a tall tower, needing to knowits height. He notes that a long pendulumextends from the ceiling almost to the floorand that its period is 13.9 s.How tall is the tower? The acceleration ofgravity is 9.8 m/s2.Answer in units of m Your answer must bewithin ± 1.0%