A freely falling body takes 2 seconds to reach the ground on a planet, when it is dropped from a height of 8m. If the period of a simple pendulum is pi seconds on the planet, the length of the pendulum is (cm).

A freely falling body takes 2 seconds to reach the ground on a planet,

1.	A freely falling body takes 2 seconds to reach the ground on a planet, when it is dropped from a height of 8m. If the period of a simple pendulum is pi seconds on the planet, the length of the pendulum is (cm).
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