10. A small toy airplane is flying in the xy – plane parallel to the ground. During the time interval t, = Os and tz = 1s, its velocity as a function of time is given by m т т i= 1.2 ti + (12-2t) At what values of t is the velocity of the plane perpendicular to its acceleration?

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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.