The acceleration of a particle is given by a = 3t-27, where a is in meters per second squared and t is in seconds. Determine the velocity and displacement as functions of time. The initial displacement at t = 0 is so = 0 m, and the initial velocity is vo = 8 m/s. After you have the general expressions, evaluate these expressions at the indicated times. Answers: Att = 5s, S= i Att = 11.2 s, S = i m. V= i m, V= i m/s m/s

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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.