2 = 2.3 ft, VA = 4.7 ft/s, aa = 2.7 ft/s2, and the a cceleration (in rad/s2) of rod ABC. Negative sign

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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.