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To construct a vector that is perpendicular to another given vector, you can use techniques based on the dot-product and cross-product of vectors. The dot-product of the vectors A = (a1, a2, a3) and B = (b1, b2, b3) is…
Tundra occurs when a region is so cold, the soil never completely thaws — even in the warmest months, only the top few feet of the soil defrost. Because both poles have extreme climates, tundra is found in both the…
Pandas are one of the most easily recognized animals on Earth, thanks to their bold black and white coloration. Since almost all other bears have just one solid coat color, pandas are highly unusual-looking. They are also unique in other…
The deciduous forest is one of the most populated biomes in the world. It covers Europe and Japan, and is found in the eastern parts of the United States, Canada and China. Deciduous forests are characterized by plentiful rainfall, rich…
Water bodies constitute areas of water – both salt and fresh, large and small – which are distinct from one another in various ways. They range in size from oceans at the biggest end of the spectrum to little brooks…
From towering peaks to deep basins, the southwestern region of the United States is home to a colorful assortment of distinctive landforms. The exact conclusion on which land areas constitute the southwestern region differs depending on the source, but it…
In the United States, most people still use a version of the old “imperial” system of measurement, called the US customary unit system, which calculates distance in inches, feet and yards. The system works well, but it is not intuitively…
The geography of Texas is diverse. Covering 267,339 square miles, Texas has mountains, marshes, rivers, swamps, plains and plateaus. From forests to deserts, you’ll find a variety of landforms in this state. But there are seven main Texas landform types…
Florida serves as home to the largest subtropical wilderness and natural ecosystem in the United States: The Everglades National Park. In general, natural resources include air, water and soil, mineral and metal reserves, energy resources that include wind, solar and…
During an impact, the energy of a moving object is converted into work, and force plays an important role. To create an equation for the force of any impact, you can set the equations for energy and work equal to…
