what is speed of sound in plasma
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In dry air at 20 °C (68 °F), thespeed of sound is 343 metres per second (1,125 ft/s; 1,235 km/h; 767 mph; 667 kn), or a kilometre in 2.91 s or a mile in 4.69 s. Thespeed of sound in an ideal gas depends only on its temperature and composition.
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your answer lies in above picture
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