If we know the total energy in a system is 30 J, and we know the PE is 20 J, what is the KE?

1 Answer
Apr 20, 2018

Answer:

The Kinetic Energy in the system is 10 J

Explanation:

The total mechanical energy in a closed system is always the sum of the potential and the kinetic energies.

#KE+PE=TE#

#KE=TE-PE#

#KE=30J-20J#

#KE=10J#