Determine the linear acceleration of A (in m/s²) for = 90° if angular velocity of OB, WOB = 0 and angular acceleration of OB, αOB = 4.9 rad/s² that position. (Ignore the negative sign and enter just the absolute value as your answer)

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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.