Posted by Ellie on Tuesday, April 5, 2011 at 10:24am.
They probably mean aluminized Mylar.
Mylar itself is just the plastic film.
To the first question, the answer is probably no. The conducting metal layer would allow excess charge to go back to the wool. Try it and see, if you have any aluminized Mylar ballons around.
To the last question, consider the inverse square dependence upon distance in Coulomb's Law.
I totally forgot about that formula-so then the magnitude would be decreased by a factor of 1/2 raised to the second power- would it be 1/4 or .25
yes on #2, glad you remembered the Coulomb's Law formula
Thanks for confirming it
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