For a certain range of motion the pin A is forced to move in the fixed slot parabolic by horizontal arm with socket which is raised in the y direction at a rate constant of 30 mm/s. All measurements are in millimeters and seconds. Calculate (a) the speed and (b) the acceleration of pin A when x = 30 mm (one decimal place of precision).

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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.