Measuring speed of sound,computer illustration. The speed of sound in air is 340 metres per second. Therefore,the time taken between a person creating a sound (left) and someone else hearing it 340 metres away (right) is one second - as shown on the digital timer (lower right) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Jensen, Mikkel Juul |
Bildgröße: | 8504 px × 5819 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |