Rearranging period of pendulum equation to find length

  • Thread starter Adam17
  • Start date
  • #1
16
0

Homework Statement

What is
T=2pi[(sqrt)l/g] rearranged for l= ?



Homework Equations





The Attempt at a Solution


Ive tried a few but I just dont know how to do this with sqrt's of a fraction involved.
 

Answers and Replies

  • #2
993
13
Eliminate the square root by squaring both sides.
 
  • #3
16
0
Ok,so what I end up with after that is l=T^2g/2pi. Which is wrong as its not giving me the correct answer.
 
  • #4
TSny
Homework Helper
Gold Member
12,762
3,121
When you square both sides, don't forget that you also have to square the factor of 2[itex]\pi[/itex]
 

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