The velocity of a particle which moves along the s-axis is given by v = 20 +19+8/7 where t is in seconds and vis in meters per second. Evaluate the displacement s, velocity v, and acceleration a when t = 5.9 s. The particle is at the origins=0 when t = 0. Answers: At t = 5.9 5, S= i V= a= MI Mi E m/s m/s²

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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.