Question 43363
The period of vibration P for the pendulum varies directly as a square root of the length L. If the period of vibration of 2 sec. when the length is 16 inches, what is the length when L = 1.5625 inches?
P=K(L)^0.5...WHERE K IS A CONSTANT
2=K(16)^0.5=4K
K=0.5
P=0.5(1.5625)^0.5=0.625