The y-coordinate of a particle in curvilinear motion is given by y = 9.0t³ - 13.3t, where y is in inches and t is in seconds. Also, the particle has an acceleration in the x-direction given by ax = 4.3t in./sec². If the velocity of the particle in the x-direction is 12.1 in./sec when t = 0, calculate the magnitudes of the velocity v and acceleration a of the particle when t = 3.2 sec. Construct v and a in your solution. Answers: When t = 3.2 sec, V = in./sec a = in./sec² I Mi

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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.