The two cars A and B travel along the circular path at constant speeds VA = 80 ft/s and VB = 100 ft/s, respectively. If they are at the positions shown when t= 0, determine the time when the cars are side by side, and the time when they are 90° apart

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Q: the values of ṙ and θ as measured by an observer in car B.

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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.