*2-164. The open railcar is used to transport water up the 20° incline. When the car is at rest, the water level is as shown. Determine the maximum deceleration the car can have when it is pulled up the incline so that no water will spill out. 18 ft T0.5 ft 9 ft 20

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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.