Agirl who weighs 30 kg is inline skating at a speed of 5 m/s. what is the girls kinetic energy

the principles and empirical processes of discovery and demonstration considered characteristic of or necessary for scientific investigation, generally involving the observation of phenomena, the formulation of a hypothesis concerning the phenomena, experimentation to test the hypothesis, and development of a conclusion that confirms, rejects, or modifies the hypothesis.

its temperature is increasing. this causes molecular vibrations to increase.