SOLUTION: A pendulum has a period of 8 seconds. Calculate the length

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: A pendulum has a period of 8 seconds. Calculate the length       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 580625: A pendulum has a period of 8 seconds. Calculate the length
Answer by dfrazzetto(283) About Me  (Show Source):
You can put this solution on YOUR website!
For a simple pendulum:
T=2%2Api%2Asqrt%28L%2Fg%29
T=8 seconds
g=9.8m/s2
8=2%2Api%2Asqrt%28L%2F9.8%29
sqrt%28L%2F9.8%29+=+4%2Fpi
L%2F9.8+=+%284%2Fpi%29%5E2
L+=+9.8+%2A+%284%2Fpi%29%5E2
L = 15.9 m