A particle is moving along a circular path having a radius of 2 in. such that its position as a function of time is given by 0 = cos 2t, where is in radians and t is in seconds. Part A Determine the magnitude of the acceleration of the particle when 0 = 45°. Express your answer to three significant figures and include the appropriate units. 11 μA ? in a = 6.283 Submit X Incorrect; Try Again $² Previous Answers Request 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.