A particle is moving along a straight line according to the acceleration vs time graph given below. If the particle starts from rest, what is the distance covered by particle after 7.5 seconds if k = 1.89 m/s2 ?  Round off only on the final answer expressed in three decimal places. Indicate appropriate unit.

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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.