Physics, 13.12.2021 07:00, soom6080

Laser beams are sometimes used to burn away cancerous tissue. What is the intensity, in watts per square meter, of a laser beam that is 90.0% absorbed by a 1.8-mm diameter spot of cancerous tissue and must deposit 475 J of energy to it in a time period of 3.95 s?

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Laser beams are sometimes used to burn away cancerous tissue. What is the intensity, in watts per...