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We’ve all heard the term “What oil is the thickest?” But what exactly is it? We know that it can be anything from water to honey, but what is the actual reason for the difference? It has to do with how it maintains lubrication at high temperatures. And we know that motor oil can change …

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While all semi trucks have their strengths, there is no single best power plant. Usually, a truck with 400 horsepower or more is the best choice for hauling heavy loads. There are other factors to consider, such as fuel economy, aerodynamics and weight. The world’s most powerful truck, the Volvo FH16, has a torque of …

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Displacement is the shortest distance between an object’s initial position and its final location. It is a vector quantity, with units of meter and time. The variable determining displacement is the initial velocity, the final velocity, and acceleration. In general, displacement is positive. Let’s apply this formula to an example. Consider an object that’s traveling …

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In the context of the airline industry, fleet size refers to the total number of aeroplanes under the same ownership or control. It may include aircraft belonging to different organizational structures, as in the case of charter airlines that provide short-term rentals. American Airlines is arguably the largest airline in the world, and its fleet …

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