The human audible sound frequency range is 20 Hz to 20 kHz. Check your frequency range below. Video Credit: adminofthissite Photo Credit: Cochlea 00 Post Views: 768
HUMAN AUDIBLE SOUND FREQUENCY RANGE
FLOATING OF A SHIP ON WATER
Have you ever wondered why ships especially the massive ones float on the sea? Ships are made of steel. When a piece of steel is placed on water, it would sink. Density of water is 1000 kg/m3. Density of steel Read More …
LIFE IN MURMANSK, A CITY IN RUSSIA WHERE SUN DOES NOT RISE FOR 40 DAYS
Murmansk is a city in north-west of Russia with about 300,000 people. In every winter, sun doesn’t rise for 40 days, from December 2 to January 10 (40 days). People there must live without daylight for the entire 40 days. Read More …
SEAWORLD SHAMU KILLER WHALE SHOW (VIDEO)
Animals are not as stupid as some of us think they are. Watch the video of SeaWorld Shamu Killer Whale Show: (Photo Credit: imgarcade.com) 00 Post Views: 2,221
MISCARRIAGE OF JUSTICE IN THE WORLD
A miscarriage of justice is simply the conviction and punishment of a person for a crime the person did not commit. Many innocent persons have been wrongly accused, convicted and executed for crimes they knew nothing about! Quite a large Read More …
JS 3 (YEAR 9) MATHS TUTORIAL QUESTIONS – 1
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CONVERTING RECURRING DECIMALS TO FRACTIONS (VIDEO)
Watch the video here on how to convert recurring decimals to fractions: After watching the video, try and convert the following recurring decimals to fractions: (1) 0.3333… (2) 0.181818….. Read More …
SS 1 (YEAR 10) MATHS TUTORIAL QUESTIONS – 3
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WHO WILL SAVE THE LESS-PRIVILEGED? – A BOOK BY OLAITAN S. O.
To continue reading, buy the full book for #500 at: +23408033487161 or osospecial2015@yahoo.com Post Views: 657
A-LEVEL MATHS S1
Click here for answers (Photo Credit: www.theguardian.com) Source: Cambridge International 00 Post Views: 2,134
