Car A is moving horizontally to the right with the speed of VA. Meanwhile, Car B is traveling toward Car A with the speed of VB and an angle of a with respect to horizontal direction. Select the correct expression of the velocity of the train relative to the car V AI 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.