A nonspinning ball having a mass of 3.5 oz is thrown vertically upward with a velocity of 145 mph and has zero velocity at a height of 210 ft above the release point. Assume that the air drag on the ball is constant and find this constant "average" air drag. Neglect the buoyant force of air on the ball. FD= lb 4.774

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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.