# Answer on Mechanics | Relativity Question for alex

Question #5570

a visitor to a lighthouse wishes to determine the height of the tower. she ties a spool of thread to a small rock to make a simple pendulm, which she hangs down the center of a spiral staircase of the tower. The period of oscillation is 10.8s. The acceleration of gravity is 9.8 m/s. What is the height? Answer in units of m

Expert's answer

The period of oscillation of a pendulum is given by the following formula

Hence we get the value of height

Hence we get the value of height

**Answer: 29m**Need a fast expert's response?

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