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Two very large parallel plates are oppositesly and uniformly charged. if the field between the plates is 1.7 x 10^6 N/C
a) How dense is the charge in each plate in muC/m^2?
b) how much total charge is on each plate if they are 15cm on a side?
Each tire of an automobile has an area of 0.026m^2 in contact with the ground. The weight of the automobile is 2.6x10^4 N. What is the pressure in the tires.
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