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Physics, 12.03.2020 01:45 Reganlist

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 1.95-mm diameter spot of cancerous tissue and must deposit 480 J of energy to it in a time period of 4.05 s?

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

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