Wheel | Pendulum

# Pendulum - Calculate Length, Time, Amplitude and Angle

Calculator for a simple mathematical pendulum. This is an ideal cord pendulum with negligible friction and cord mass, which is swinging in a small angle. The weight is concentrated on one point. Then the pendulum law, which was discovered by Galileo Galilei, says that the oscillation period only depends on its length. The formula is

Please enter length or oscillation period, the other value will be calculated. When angle, amplitude or speed are entered, the other two values also will be calculated.

Example: a 2 meters long pendulum has an oscillation period of 2.8 seconds. At an angle of 5°, the amplitude is 17.5 centimeters and the speed is 0.9 km/h.
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