1. The loud and sharp noise you hear while cracking a whip occurs - TopicsExpress



          

1. The loud and sharp noise you hear while cracking a whip occurs because the tip is moving so fast it breaks the speed of sound! 2. Sound moves around four times faster in water than through air! 3. The sound of thunder is due to the rapid heating of air surrounding lightning flash which expands faster than the speed of sound! 4. If a human being shouts for 8 years, 7 months and 6 days non stop, it would produce enough sound energy to heat up one cup of coffee! 5. Most flies cannot hear sound! 6. The sound produced by whales can travel a distance of 800 km.
Posted on: Tue, 19 Nov 2013 09:18:25 +0000

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