Category: Physics

What is the richest cigarette company? Altria Group Is the tobacco industry dying? The largest companies in the country sold 216.9 billion cigarettes in 2018 to wholesalers and retailers, or 12.2 billion fewer units from the 229.1 billion sold in 2017. The industry has been experiencing this annual downward trend since 2000, when sales volume […]

What are the cold blooded animals? Cold blooded animals are those animals that cannot regulate their body temperature and their temperature keeps changing according to their environment. Some of the examples of cold blooded animals include fish, reptiles and insects. Are amphibians cold blooded? This process is known as metamorphosis. Like reptiles, amphibians are cold-blooded. […]

Are electric guitar and acoustic the same? The main difference between an electric and an acoustic is that one can be amplified and the other can’t. Electric guitars tend to look a little complicated due to the electronic switches on them. However the core features of the guitar are EXACTLY the same. Can you play […]

What are point and non point sources of pollution? Unlike water pollutants that come from a single-point source (such as factories or wastewater treatment plants) nonpoint source pollutants originate from a variety of locations and are carried into storm drainage systems and creeks by storm water and other runoff. How can we reduce point source […]

Is the word Inuit offensive? Although the name “Eskimo” was commonly used in Alaska to refer to Inuit and Yupik people of the world, this usage is now considered unacceptable by many or even most Alaska Natives, largely since it is a colonial name imposed by non-Indigenous people. Why Killing whales is wrong? Whaling could […]

Can the pilot hear the sonic boom? The short answer is – no, they don’t hear the sonic boom. Pilots and passengers cannot hear the sonic boom created by their own plane because they are at the head of the Mach cone. In simple words, they are moving so fast that the sonic boom doesn’t […]

What is the mass of 2 liters of water? See Water – Density, Specific Weight and Thermal Expantion Coefficient . At 4° the density is 1000 kg/m³, so 2 litres will weigh 2 kg. How many Litres is 1 kg of oil? 1.1 Litre How many Litres is 1 kg of olive oil? 1.095652 litres […]

Does it snow in Iceland all year round? Even so, many believe that Iceland is a scarily cold place all the time, with visions of endless snowfall and icy temperatures all year round, which could put some would-be travelers off from visiting this Nordic gem. What months does Iceland have snow? As you might imagine, […]

Why is the sun white in color? The Sun emits a lot of energy in the visible range. In wavelength scale it is from 390 nm to 700 nm, and when you translate it to colors, you get all colors from violet to red, just as we see them in the rainbow. When you mix […]

What does Edward R Murrow accuse Senator Joseph McCarthy of? In his response, McCarthy rejected Murrow’s criticism and accused him of being a communist sympathizer [McCarthy also accused Murrow of being a member of the Industrial Workers of the World which Murrow denied.]. Which side gained the greatest advantage from the Tet Offensive? North Vietnam […]