At an intersection near the a Toyota Prius (vehicle B, weight WB = 3,000 lb) is traveling north at VB₁ = 65 mph while a Ford F-150 (vehicle A, weight WA = 5,010 lb) travels VA1 = 35 mph south- east (0 = 20°) when they slam into each other. They become entangled and move as one after the collision. Determine: a) The velocity (magnitude and direction) of the combined vehicles after the crash b) The efficiency of the collision. Ꮎ VA1 D CO Cr VB1 V2

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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.