SOLUTION: the period of a simple pendulum is directly proportional to the square root of it's length. if a pendulum has a length of 6ft and a period of 2 sec, to what length should it be sho

Algebra ->  Functions -> SOLUTION: the period of a simple pendulum is directly proportional to the square root of it's length. if a pendulum has a length of 6ft and a period of 2 sec, to what length should it be sho      Log On


   

Question 57239: the period of a simple pendulum is directly proportional to the square root of it's length. if a pendulum has a length of 6ft and a period of 2 sec, to what length should it be shortened to achieve a 1 second period?
Answer by aaaaaaaa(138) About Me  (Show Source):
You can put this solution on YOUR website!
Let's use a property of directly proportional values:
sqrt%286%29%2F2+=+sqrt%28x%29%2F1
sqrt%28x%29+=+sqrt%286%29%2F2
x+=+6%2F4