Neglect the diameter of the small pulley attached to body A and determine the magnitude of the total velocity of B if the velocity which body A has to the right is vA = 1.20 m/s, and the distances are x = 2.04 m and h = 1.05 m. Assume that the cable between B and the pulley remains vertical.

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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.