lol paul, i did you a favour - i put your post up again.. otherwise no one would have seen it..
instead of calling me unfriendly names you should be thanking me
Homework Statement
What physics principles are applied to the design and use of digital cameras?
2. The attempt at a solution
• Charging the battery requires electrical and magnet field use from the source it is obtaining the energy from. The battery creates electric potential...
well, paul.
to begin answering your question, i would have to know which kind of helmet you are using. so if you can help me out with that, i can get right on answering your question