For the instant shown in the figure, the angular velocity and the angular acceleration, of the bar AB, is 3 rad / sec and 5 rad / sec2, respectively. Setting up the equations vectorially, determine: 1. The speed of B. 2. The acceleration of B. 3. The angular velocity of the bar BC. 4. The angular velocity of the bar CD

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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.