Can dolphins kill you? THEY may have a reputation for being friendly, cute and curious creatures, but dolphins can also be extremely vicious – and attacks on humans are on the rise. Just last month, 10-year-old Lexi Yeo was savaged by a pair of captive bottlenose dolphins, while on a swim experience in Cancun, Mexico. […]
What is the reading on the vernier calipers?
What is the relation between charge and mass?
What is the relation between charge and mass? The charge-to-mass ratio (Q/m) of an object is, as its name implies, the charge of an object divided by the mass of the same object. This quantity is generally useful only for objects that may be treated as particles. Why does oxygen need 2 electrons? Oxygen needs […]
Does hot water flow faster than cold?
Does hot water flow faster than cold? Molecules in a liquid have enough energy to move around and pass each other. Warm water has more energy than cold water, which means that molecules in warm water move faster than molecules in cold water. Does water move slower when cold? The molecules of cold water are […]
Why is incomplete combustion bad?
Why is incomplete combustion bad? Incomplete combustion occurs when the supply of air or oxygen is poor. Water is still produced, but carbon monoxide and carbon are produced instead of carbon dioxide. The carbon is released as soot . Carbon monoxide is a poisonous gas, which is one reason why complete combustion is preferred to […]
Why does my foot hurt when I kick a soccer ball?
Why does my foot hurt when I kick a soccer ball? There are a number of reasons which have been mentioned (e.g. air temperature affecting ball stiffness, kicking technique, possible injury). Another reason may be that your anatomy hasn’t developed to sustain kicking a ball. Think about how kickboxers can block with their shins. How […]
Did Nikola Tesla died broke?
Did Nikola Tesla died broke? Tesla died a broke humanitarian. “Tesla did what he did for the betterment of humanity, to help people have a better quality of life,” said Alcorn. “He never seemed to be interested in monetary gain, although a possible downside of that was he never seemed to have enough money to […]
Why is coffee so addictive?
Why is coffee so addictive? How Caffeine Affects the Brain. Caffeine is addictive because of the way that the drug affects the human brain and produces the alert feeling that people crave. Soon after caffeine is consumed, it’s absorbed through the small intestine and dissolved into the bloodstream. Is Quitting caffeine good? 2. You’ll sleep […]
Do igneous rocks come in different colors?
Do igneous rocks come in different colors? Another characteristic used to help identify igneous rocks is its color. Igneous rocks are classified based on only 4 colors: mafic, ultramafic, felsic, and intermediate. Very light in color, a bunch of quartz, potassium feldspar, very few dark minerals found. These are your white and pink colored igneous […]
Can you use an electric motor as a generator?
Can you use an electric motor as a generator? Always use caution when working with electricity. Your permanent magnet electric motor can be used as a generator. All that needs to be done is to apply an external power source to spin the shaft of any permanent magnet electric motor and your motor becomes a […]