Question

What is the length of a pendulum with a period of 1 second?

Answer 1

HELLO MATE YOUR ANSWER IS:

5 cm per second

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Answer 2

According to Huygen's formula T = 2 pi * Square root (L/g)

By re-arranging the above equation, we get,

L = T^2 * g / 4 pi^2

Here,

L is the length of the pendulum in meter

g is acceleration due to gravity = 9.8 m/s^2

T is the time period in seconds = 1 second

Therefore,

L = 1^2 * 9.8 / (4 * 3.14 * 3.14)

L = 0.248 m = 24.8 cm

Answer:

Length of a pendulum with a period of one second is 25 cm.

Hope it helps.