4. Car A is accelerating in the direction of its motion at the rate of 4 ft/sec2. Car B is rounding a curve of 440-ft radius at a constant speed of 44 ft/s. Find the vectors and magnitude of (a) velocities vAand vB and (b) acceleration a gand aglike we did in our class. Determine the (c) velocity VB/A and (d) acceleration a BIA and which car B appears to if car A has reached a speed of 66 ft/s for the positions represented. A 440

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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.