The period of vibration, P, for a pendulum varies directly as the square root of the length L. If P is 2 seconds when L is 64 inches, what is the period when the length is 16 inches?
The period of vibration, P, for a pendulum varies directly as the square root of the length L. If P is 2 seconds when L is 64 inches, what is the period when the length is 16 inches?