Quote:
|
Originally Posted by AntonioLao Yes. According to law of energy conservation, the total energy of the universe does not change and it is time independent. The time derivative of energy is always zero.
But for Hamiltonian systems, the total energy is the sum of kinetic and potential energy but the potential energy is always found to be negative. |
but, what about the transfer of energy? If I am moving and crash with you, then you start moving, my KE has mpast to you. this is motion. so it has time.
and, is PE always equal as big, but in negative to KE?