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Sound waves travel through different types of matter, including liquid water. Importantly, the movement of ocean water can ...
Although sound travels quite fast, it is still possible to measure its speed in air. To do this, you need to measure the time it takes a sound to travel a measured distance. To reduce errors ...
A person fires a starting pistol. A distant observer stood 200 metres away (measured using a 20 m tape measure or trundle wheel) records the time between seeing the flash of light from the ...
As the sonic boom moves downward, it enters denser air, where sound travels faster. This speed difference bends the sound ...