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Q1: Rather than ascribing the increased kinetic energy of the stone to the work

ID: 1299473 • Letter: Q

Question

Q1: Rather than ascribing the increased kinetic energy of the stone to the work of gravity, we now (when using potential energy rather than work-energy) say that the increased kinetic energy comes from the ______ of the _______ energy.

Choose the best answer to fill in the blanks above:

change / potential

____________________________________________________________________

Q2: This process happens in such a way that total mechanical energy, equal to the ______ of the kinetic and potential energies, is _______.

Choose the best answer to fill in the blanks above:

_______________________________________________

a) work / potential b) force / kinetic c)

change / potential

Explanation / Answer

(1)

change / potential

(2)

c)

change / potential