A submarine has a mass of 8,000,000 kg and is moving through the water at

a depth of 125 m with a speed of 6.2 m/s. What is its kinetic energy?

153760000 J

Explanation:

Kinetic energy is the energy possessed by a moving object solely due to its motion.

You can get the K. E. of an object using the equation,

K. E. = (1/2) mv²

So you get, for submarine,

K. E. = (1/2) * 8000000*6.2²

= 153760000 J = 0.153 GJ