Question

Please help (:

Describe how the law of conservation of energy is demonstrated in the device

Answer 1

I would imagine something like the "CD" has potential gravitational energy because it is up there higher and that the orange being thrown transfers some of its kinetic energy to the CD's. The CD's had potential energy which got converted into kinetic energy as they rolled down the wood.

Then the CD's hit the spoon transferring some of the kinetic energy to the spoon causing it to close the electrical circuit lighting the lamp? It is a bit vague. Something along these lines.

Answer 2

@kus thank you so much(: that helps so much!(: