What causes velocity to decrease?

What causes velocity to decrease? Forces affect how objects move. They may cause motion; they may also slow, stop, or change the direction of motion of an object that is already moving. Since force cause changes in the speed or direction of an object, we can say that forces cause changes in velocity. Remember that […]

Which is the oldest additive manufacturing techniques?

Which is the oldest additive manufacturing techniques? Additive manufacturing first emerged in 1987 with stereolithography (SL) from 3D Systems, a process that solidifies thin layers of ultraviolet (UV) light‐sensitive liquid polymer using a laser. The SLA‐1, the first commercially available AM system in the world, was the precursor of the once popular SLA 250 machine. […]

What is a service and its characteristics?

What is a service and its characteristics? The defining characteristics of a service are: Intangibility: Services are intangible and do not have a physical existence. Hence services cannot be touched, held, tasted or smelt. This is most defining feature of a service and that which primarily differentiates it from a product. What are the main […]

How dangerous is driving really?

How dangerous is driving really? But driving is likely the most dangerous thing you ever do, and most of us are in a car nearly every day! Each day, another 3,000 lives are lost due to motor vehicle accidents. That comes out to more than 1,000,000 traffic accident deaths every single year. What are some […]

What is the main component of soil?

What is the main component of soil? Soil Layers. Soil is composed of both biotic—living and once-living things, like plants and insects—and abiotic materials—nonliving factors, like minerals, water, and air. Soil contains air, water, and minerals as well as plant and animal matter, both living and dead. These soil components fall into two categories. What […]

What are the six properties of ionic compounds?

What are the six properties of ionic compounds? Properties Shared by Ionic Compounds They form crystals. They have high melting points and high boiling points. They have higher enthalpies of fusion and vaporization than molecular compounds. They’re hard and brittle. They conduct electricity when they are dissolved in water. They’re good insulators. Why are covalent […]

How far north does the Gulf Stream go?

How far north does the Gulf Stream go? The Gulf Stream stretches 40 to 50 miles wide off the coast of southeast Florida as it chugs and snakes, ultimately toward Iceland, at a clip of 2 to 4 miles per hour. How fast is the current in the Gulf Stream? about 5.6 miles per hour […]

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