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What is the speed of sound? What happens when an object exceeds the speed of sound?
The length of the metal frameworks of bridges change when the temperature changes.
Observe what happens when making sounds with shorter and shorter pieces of the same straw.
Find out how to move the straws without touching them, using the phenomenon of resonance.
Simple harmonic motion can be considered to be the one-dimensional projection of uniform...
In certain cases, liquids do not mix together, and form layers instead. See what happens when we...
The three important laws describing planetary motion were formulated by Johannes Kepler.
A spacecraft on its path is in a constant state of free fall.