The angular acceleration of the disk is defined by a = 3¢² + 12 rad/s², where t is in seconds. If the disk is originally rotating at wo = 12 rad/s, determine the magnitude of the velocity and the n and t components of acceleration of point A on the disk when t = 2 s. 12 rad/s -0.5 mA

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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.