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If antenna is fed with pulsed DC instead of AC at its resonant frequency, how efficient will it be? Rolls of foil are 304 mm wide and 0.012 mm thick. density of foil is 2.7 g/cm3
What maximum length of foil can be made from 1.21 kg of foil? How can I get A's on my geometry tests? Please helpp?!?!?!?!?!? Write in standard, find vertex, axis of symm, and x-intercept. f(x)=x^2-4? How do i find the answer about study?