The disk rolls without slipping on the horizontal surface, and at the instant represented, the center O has the velocity vo = 2.0 m/s and acceleration ao = 5.9 m/s² with directions shown in the figure. For this instant, the particle A has the indicated speed u = 2.1 m/s and time rate of change of speed u = 5.5 m/s?, both relative to the disk with directions shown in the figure. Determine the absolute velocity Va and acceleration a, of particle A. 0.49 m do 0.63 m

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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.