bethanydoyle556 bethanydoyle556

11-12-2017
Social Studies

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What is the speed of sound in air when the temperature is 20°C?

319 m/s
331 m/s
343 m/s
219 m/s

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countrygirl87001 countrygirl87001

10-01-2019

What is the speed of sound in air when the temperature is 20°C?

343 m/s

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