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Mathematics

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Mathematics

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Question: What is the speed of sound (340 m/s) in km/h?




Go to the article about: Arithmetic

Lugano English

Quote of the day...

...in thinnest aether, or in the most subtle fifth essence, or in vacuity – how shall the stars keep their places in the mighty swirl of these enormous spheres composed of a substance of which no one knows aught?

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