Wiki User
∙ 9y agoThe book's potential energy is 294 joules.
Wiki User
∙ 9y agoThe potential energy of the book can be calculated using the formula PE = mgh, where m is the mass (2 kg), g is the acceleration due to gravity (9.8 m/s^2), and h is the height (15 m). Plugging in these values, we get PE = 2 kg * 9.8 m/s^2 * 15 m = 294 Joules.