In a boat race, boat A leads boat B by 120 ft and both boats are traveling at a constant speed of 120 mi/h. At t = 0, the boats accelerate at constant rates. Knowing that when B passes A, t = 8 s and vA= 133 mi/h, determine the acceleration of B. UB 120 ft 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.