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 ...

v = \frac{d}{t}\) \(v = 400 \div 1.2\) \(v = 333~m/s \ (3 \ sf)\) The accepted value for the speed of sound in air is 330 m/s. However, this experimental method is flawed as humans do not use stop ...

Sound waves travel through different types of matter, including liquid water. Importantly, the movement of ocean water can ...