Why is 2.01 the accepted value for a pendulum?

1. Jan 25, 2008

1. Why is 2.01 the accepted value for a pendulum?

2. T = 2pi(L/G)^1/2
L is the length of the Pendulum
G is the Gravitational Force

3. This is what the teacher did but I'm not sure why it works this way:

T = 2pi(L/G)^1/2
T= (2pi/(G)^1/2) x (L)^1/2
T = 2pi/(9.8)^1/2
T = 2.01

What happened to the Length?

2. Jan 25, 2008

rock.freak667

That is for a pendulum of length 1m,

3. Jan 25, 2008

Staff: Mentor

That's the period of a simple pendulum having a length of 1 m.