Category: Physics

What are the 10 Native American tribes? 10 Biggest Native American Tribes Today Lumbee. Population: 73,691. Iroquois. Population: 81,002. Creek (Muscogee) Native American population: 88,332. Blackfeet (Siksikaitsitapi) Population: 105,304. Apache. Population: 111,810. Sioux. Population: 170,110. Chippewa. Population: 170,742. Choctaw. Population: 195,764. Which Indian Tribe was the most aggressive? The Comanches, known as the “Lords of […]

Who was the fastest pitcher of all time? On September 24, 2010, former Cincinnati Reds pitcher Aroldis Chapman delivered a 105.1-mph fastball in a game against the San Diego Padres, which is recognized as the Guinness World Record for fastest pitch ever. How much does a bullpen catcher make? The average salary for a bullpen […]

Is shale cemented? The most common sedimentary rock is shale. It is made of compressed mud–that is, a mixture of clay and silt (fine particles of mineral matter). The sand or gravel particles in sandstone and conglomerate are held together by a mineral cement. How does clay turn into shale? This weathering breaks the rocks […]

How can I make my body transparent? While tissue clearing has been used for decades to see through tissues, the new approach used by Dr Ertürk and his colleagues also makes it possible to make bones transparent too. It builds on a technique known as 3D Imaging of Sovent-Cleared Organs, or 3DISCO. What body parts […]

What is transmitted when white light passes through a green filter? The filter selectively transmits the red and blue portions of the incident white light spectrum, but absorbs most of the green wavelengths. As discussed in our section on primary colors, the color magenta is obtained by subtracting green from white light. What does a […]

What is the fastest speed possible for an electron in a hydrogen atom? about 2,200 kilometers per second How many revolutions does an electron complete in one second in the first orbit of hydrogen atom? 6.5 x 1013. How many revolution does an electron complete? This is about 7 quadrillion revolutions per second or equivalently […]

Is a recorder an open or closed pipe? Flutes and recorders work like this, the “embouchure” or “window” acting as an open end. On the other hand, in a pipe closed at one end, like a pan flute or a stopped organ pipe, there is always an antinode at the open end and a node […]

Why is Gillnetting illegal? Drift gillnets are essentially long curtains of nearly invisible mesh that hang from buoys and entangle large creatures that swim into them. The nets are notorious for catching high volumes of unwanted creatures, or bycatch — the primary reason Steiner and other activists want them banned. Are fishing nets illegal? Cast […]

What is the mass of one mole of magnesium? The relative masses of each element can be found on the periodic table. For example, one atom of magnesium weighs 24.31 amu (atomic mass units). However, one mole of magnesium weighs 24.31 g. What does atomic number tell? The atomic number or proton number (symbol Z) […]

How do I mail Frozen Food ups? How to Ship Food so It Stays Fresh Wrap Baked Goods to Create an Airtight Seal. Select Appropriate Insulation for Food that Must Remain Cold or Frozen. Package Items That Can Melt, Thaw or Contain Liquid in Watertight Plastic. Choose the Best Refrigerant for Cold or Frozen Items. […]