Work and Energy

IB Physics: Work and Energy

The way that energy comes out of the inability to solve some collison problems. This isn"t historically correct but it"s a nice way of showing how theories develop.Here we talk mainly about the mechanical energy of small red balls but its worth mentioning energy in a wider context, sources of energy for example. Difficult to see how it all fits together at this stage.I try to show how we need to introduce the concept...

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