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.

By definition, the Total energy is given by:

Where,

U: potential energy

K: kinetic energy

We look for the value of the potential energy for the different values of the kinetic energy.

We have then:

For K = 296:

For K = 432:

Therefore, the change in power power is from 379 J to 243 J

It changes from 379 J to 243 J.

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