Let's discover how the energy of ocean waves can be extracted, and at the same time, train ourselves for the physics exams that are coming soon.
In the video below, we will look at an exercise based on past papers that blends simple harmonic motion and energy production. (IB Physics SL & HL: Chapter 4 and 8, A-Level: topics 2 and 13).
Watch the video, and pause when questions arrive. Try to figure the answers by yourself then resume the video to verify your working.
Click on the picture below to launch the video on dtube
If you wish to try the exercise first before watching the video, take pen, paper and calculator, and give it a shot!
The openschool is an initiative aimed at providing education to all, for free, whatever resources, social status, or location around the world.
If you would like to know more. Please visit this post:
The Open School Project, the 1st high school of the Blockchain!
This idea is still in its infancy, and its concept evolving as it moves forwards. Originally limited to streaming in order to guarantee interactivity between students and teachers, we realized that many teachers around the world do not have the internet bandwidth required for quality streaming. Therefore, The open school has opened wider its doors to include videos recorded offline.
If you wish to submit a video or live lesson to the open school, do not forget to use the openschool tag!
If you wish to encourage this initiative, please consider delegating SP to the 
If you wish to get more involved, and work in expanding the openschool network, feel free to contact
Image credits:
All images used in this post and in the video have been found on Pixabay.com.
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