well im doing a project in my physics class where i have to create a device for an egg to survive a 11m fall. i created a device similar to that of a bike helmet. its been tested and it works but now i have to discuss the reason why it works. i need to include physics principles and the formulas for them such as energy conservation, momentum consevation, pressure, air resistance, terminal velocity etc. etc. anything will help.
physics of a bike helmet?
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