Question Detail
Question
Calculate the kinetic energy of a 75.0 kg runner moving at a constant speed of 1.78 m/s.
Correct Answer
Option B is the correct answer.
Detailed Explanation
Kinetic energy is calculated via Ek = 0.5 * m * v^2 = 0.5 * 75.0 * (1.78)^2 = 118.8 J, or 119 J to three significant figures.
Hint
No hint available