Category: Physics

What keeps the sun from exploding? The inward pressure that keeps a star from exploding is the gravitational attraction of the gas mantle surrounding the core (which is most of the volume of the Sun, and is very hot but does not burn itself). Why does the sun not explode like a hydrogen bomb? The […]

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 […]

What is full form of SI unit? Système international What is called 1 unit? A unit is any measurement that there is 1 of. So 1 meter is a unit. And 1 second is also a unit. And 1 m/s (one meter per second) is also a unit, because there is one of it. What […]

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? 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 […]

What is the most calming color to paint a bedroom? For a relaxing atmosphere in your bedroom, look to cooler hues — shades of gray, blue, green and purple — to lend a hand. These colors have been shown to reduce stress and anxiety. They can also make a space seem more expansive, so they’re […]

How long should ice be used to reduce swelling? Cold will reduce pain and swelling. Apply an ice or cold pack right away to prevent or minimize swelling. Apply the ice or cold pack for 10 to 20 minutes, 3 or more times a day. What are puffy ankles a sign of? Common causes of […]

Why is potential energy negative in an atom? When a stable atom is formed, the electron is attracted to the nucleus, r is less than infinity, and the energy will be negative. A negative value for the energy implies that energy must be supplied to the system if the electron is to overcome the attractive […]

Can you produce a lower pressure by decreasing the area a force acts on? Pressure is equal to the force exerted on a surface divided by the total area which the force is exerted. You can produce a lower pressure by decreasing the area of a force acts on. What cools faster water or oil? […]

What are the basic building blocks of proteins? What Are Proteins Made Of? The building blocks of proteins are amino acids, which are small organic molecules that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain (see below). […]