Which is the sound wave that is below the human hearing?
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a car is travelling at 72kmph, and if that car slows down to 60kmph it takes an extra 1 hour to cover that same distance. at 72kmph, how long did it take for the car to cover that distance?
Why ate the mirage effects produced over hot deserts ?
Explain how do you separate hydrogen and oxygen gases in industrial electrolysis of water process?
Explain why does sun appear flat during sunrise and sunset?
Explain what is a crest?
Why does heated air expand?
what is overall expansion,hp expansion,ip expansion and axial shaft of a steam turbine?
What is dispension of light?
What is the Magnet substance ?
The most abundant metal in the atmosphere?
2 Answers College School Exams Tests,
How echo is produced?
application of optical fibers and sensors