Even though the ball is light and slow, it still possesses 1 Joule of energy—enough to lift a small apple upward by about 10 cm.
Kinetic energy is the energy of motion. Any object in motion possesses kinetic energy. The section usually requires students to understand the formula: $$KE = \frac12mv^2$$ Where $m$ is mass and $v$ is velocity. A common concept tested here is that kinetic energy increases with the square of the velocity. If you double the speed, you quadruple the kinetic energy. 15.1 energy and its forms answer key
