A ball is thrown vertically upward the ground with an initial velocity of 128 ft/s . (a) Determine when the ball hits the ground. (b) What is the velocity of the ball when it strikes the ground? (c) Determine how high will the ball reach the maximum height.

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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.