Physics, 26.06.2019 19:30 Quanashiar
(a) what is the intensity in w/m2 of a laser beam used to burn away cancerous tissue that, when 90.0% absorbed, puts 500 j of energy into a circular spot 2.00 mm in diameter in 4.00 s
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(a) what is the intensity in w/m2 of a laser beam used to burn away cancerous tissue that, when 90.0...
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