DYNAMICS Question 2: While the car in the figure is standing at point A above, it moves downward with a = 0.981-0.013v ^ 2 m / s ^ 2 acceleration. Find Vb, which is the velocity in the existence of point B. The unit of speed is m / s. Please be careful, thank you.

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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.