Which of the following is (are) conserved in an isolated system? ...

[misspop]

Which of the following is (are) conserved in an isolated system?
  1.the kinetic energy alone
  2.the potential energy alone
  3.both the potential energy and the kinetic energy
  4.the sum of the kinetic energy and the potential energy

Question 2

When we analyze situations that involve the kinetic and potential energies of falling objects, we identify the system as<--EndFragment--> e?
  1.only the Earth.
  2.only the falling object.
  3.both the earth and the falling object.
  4.none of these.

[Jsherida]

Answer to Question 1

4

Answer to Question 2

3

[misspop]

Gracias!

[fatboyy09]

Excellent