The rod OA rotates in the horizontal plane such that =0.66t3 radian, and collar B is sliding outward along OA so that r=114t2 mm. If in both cases t is in seconds, determine the radial component of velocity (mm/s) of the collar when the collar is 128  mm from O. Round off only on the final answer expressed in 3 decimal places.  DONT ROUND OF IN THE ENTIRE SOLUTION, ONLY IN THE FINAL ANSWER

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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.