A satellite-based cellular telecommunications system employing a constellation of telecommunications satellites in medium earth orbit to provide multibeam radio frequency (rf) communications links for worldwide cellular telephone service with a minimum number of satellites. The telecommunications satellites are...
"He averaged a C" compute the average of 同义词:average out adj. approximating the statistical norm or average or expected value "the average income in New England is below that of the nation"; "of average height for his age" 同义词:mean(a) ...
Average density of earth: If the mass of a object is M and volume of that object is Vthen the density of the object is ρ=MV. To solve the given problem we will find the volume of the earth first then we will divide the mass by its volume to get the density. A...
Atmospheric pressure is popularly expressed as the height of a column of mercury that can be supported by the weight of the overlying air at a given time. Weather maps show atmospheric pressure in millibars (mb), units equal to a thousandth of a bar. The bar is a unit of measure equal...
Calculating the average speed of an object moving in a circular path Let 'r' be the average radius of the object and t be the time it takes to complete one revolution around the circle, then Distance travelled in time t = {eq}2\pi r {/eq} ...
题目Qomolangma is the world's highest mountain. (A)You may have learned from your textbooks that its height is 8,844 meters. But not all sides are in agreement on this. Different researchers have given different results. In addition, the height of the mountain can change over...
Switching to satellite TV Enjoying a day at the spa Taking online surveysRead 23 ways to earn airline miles without flying.Keep in mind: When you earn miles through any of these methods, you can ONLY use them for that specific airline (or their partners). So, make sure it is an airline...
(it is just the height of a column of mercury in a barometer) and not subject to calibration problems, as, for example, thermometers are. A column of mercury is just a measure of length, which is accurate and easily convertible between inches or centimeters, whereas thermometers are ...
This survey considers those studies conducted into estimating errors in satellite derived large scale space-time means (of the order of 250 km by 250 km by a month) for rainfall, cloud cover, sea surface processes and the Earth's radiation budget, resulting from their incomplete coverage of th...
Earth has a mass of 5.98×1024 kg. The average mass of the atoms that make up Earth is 40 u. How many atoms are there in Earth? Mass: In physics, the term mass can be defined as the measuring of the amount of matter that ...