If the speed of the train is uniformly increased from 6 mi/h to 8 mi/h in 1 min, determine the magnitude of the acceleration when the speed of the train in 7 mi/h. 1 mi = 5280 ft.

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Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.