A 2,000 kg freight train is traveling on the railroad tracks from Birmingham to Mobile. Its traveling at a speed of 25 m/sec. What is the kinetic energy of the train?
625,000 J
490,000 J
50,000 J
25,000 J
The formula for kinetic energy is KE = 0.5 * m * v^2, where m is the mass and v is the velocity.
KE = 0.5 * 2000 kg * (25 m/s)^2
KE = 0.5 * 2000 kg * 625 m^2/s^2
KE = 625,000 J
Therefore, the kinetic energy of the train is 625,000 J.