Answer:
A roller coaster does not have an engine to generate energy. This builds up a supply of potential energy that will be used to go down the hill as the train is pulled by gravity. Then all of that stored energy is released as kinetic energy which is what will get the train to go up the next hill.
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Answer:
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Explanation:
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Answer:
From this in-depth examination we aimed to draw out some of the key ... closely their business case and employ model makers to create a 3D prototype.
Explanation:
In surface mining, stripping ratio or strip ratio refers to the amount of waste (or overburden) that must be removed to release a given ore quantity.