Physics

Physics

Problem

Four samples of air are taken under the following conditions. In which sample will sound travel fastest? A. 0∘C0^{\circ}\text{C}, relative humidity 20\% B. 0∘C0^{\circ}\text{C}, relative humidity 90\% C. 30∘C30^{\circ}\text{C}, relative humidity 20\% D. 30∘C30^{\circ}\text{C}, relative humidity 90\% a) 0∘C,  90% RH0^{\circ}\text{C},\;90\%\,\text{RH} b) 30∘C,  20% RH30^{\circ}\text{C},\;20\%\,\text{RH} c) 30∘C,  90% RH30^{\circ}\text{C},\;90\%\,\text{RH} d) 0∘C,  20% RH0^{\circ}\text{C},\;20\%\,\text{RH}

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