Posted by **gomez** on Tuesday, August 7, 2007 at 11:45pm.

5. The length of a simple pendulum with a period on Earth of one second is most nearly

a.) 0.12 m

b.) 0.25 m

c.) 0.50 m

d.) 1.0 m

e.) 10.0 m

The formula for the period is

P = 2 pi sqrt(L/g)

g is the acceleration of gravity, 9.8 m/s^2.

Solve for L. (or get out a piece of string and do the experiment.)

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