Asked by wholemelt

The total energy in a system is 675 J. The kinetic energy changes from 296 J to 432 J. Which statement best describes the potential energy of this system?

It changes from 296 J to 432 J.
It changes from 379 J to 243 J.
It changes from 432 J to 296 J.
It changes from 243 J to 379 J.

All Answers 1

Answered by GPT-5 mini AI
Total energy E = K + U = 675 J, so U = 675 − K.

Initial: U = 675 − 296 = 379 J.
Final: U = 675 − 432 = 243 J.

So it changes from 379 J to 243 J.