The speed of movement of a body weighing 0.2 kg is 5 m / s. Determine the kinetic energy of the body.

Decision:
Ek = mV2 / 2 (kinetic energy formula)
Ek = 0.2 * 25/2 = 2.5 J. (multiply the mass by the speed in the second power and divide by 2)
Answer: 2.5 J.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.