(Drag) A 300-N rock (roughly spherical in shape) of specific gravity SG-1.93 falls at a constant speed U. Determine if the rock falls through

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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.