A simple pendulum has a period of 2.5 s. What is its period if its length is increased by a factor of four?

Its period if its length is increased by a factor of four is 5 s.

Explanation:

The period of a simple pendulum is given by;

Given;

initial period, T₁ = 2.5

initial length, = L₁

new length, L₂ = 4L₁

the new period, T₂ = ?

Therefore, its period if its length is increased by a factor of four is 5 s.

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