In a given system, there is a positive work done and the potential energy is found to have increased. Can you tell if the amount of kinetic energy has increased, decreased, or stayed the same? Explain
The kinetic energy has decreased.
This is because Potential Energy + Kinetic Energy = 0.
ΔK+ΔU=0. So, ΔK=-ΔU
This means that if the kinetic energy increases, the potential energy
must decrease by the same amount to keep their sum constant.
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