The triangular plate rotates about a fixed axis through point O with the angular properties indicated. Determine the instantaneous velocity and acceleration of point A if h = 225 mm, b = 365 mm, w = 2.9 rad/s, a = 1.6 rad/s². Answers: VA= aA = (i i+ i i+ i j) m/s j) m/s²

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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.