Classical Mechanics
# Conservation of Energy

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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