How Fast?

The video explores the concept of speed, starting with the basics of calculating speed using distance and time. It explains the speed of sound, including how it varies with temperature and how supersonic speeds work. The video then compares the speed of light to sound, illustrating why lightning is seen before thunder is heard. Everyday speeds, such as walking, running, and wind, are discussed, highlighting their differences from the speeds of sound and light. The video concludes by summarizing the various speeds covered.

What is the formula used to calculate speed?

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How fast is sound traveling in air at nought degrees Celsius?

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Why do you see the flash of lightning before you hear the thunder?

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What is the highest wind speed ever recorded and in what event did it occur?

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What are some effects of tornadoes despite not being as fast as commercial planes?

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