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# Conservation of Energy

Energy cannot be created or destroyed in any transformation. This powerful accounting principle helps us analyze everything from particle collisions, to the motion of pendulums.

The air resistance is negligible and the gravitational acceleration is \( g= 10 \text{ m/s}^2. \)

The air resistance is negligible and the gravitational acceleration is \( g= 10 \text{ m/s}^2. \)

Air resistance is negligible and the gravitational acceleration is \( g= 10 \text{ m/s}^2. \)

The air resistance is negligible and the gravitational acceleration is \( g= 10 \text{ m/s}^2. \)

A \( 8 \text{ kg} \) ball is fired with an initial velocity of \( 2 \text{ m/s} \) in a direction that makes a \( 30^\circ \) angle with the horizon. When the ball reaches its highest point, what is the difference between the ball's kinetic energy and gravitational potential energy?

Air resistance is negligible and the gravitational acceleration is \( g= 10 \text{ m/s}^2. \)

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