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Waves play an extremely important role in many areas of our lives.
Learn how to pierce a balloon without popping it.
This lesson helps to understand the Doppler effect.
Let's use musical instruments and our vocal cords as sources of sound.
How can this pendulum accurately measure time in seconds?
Simple harmonic motion can be considered to be the one-dimensional projection of uniform...
This lesson presents timekeeping devices and the types and units of time measurement.
This lesson presents some of the laws of physics through the operation of the bicycle.