How many times more intense is the given

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Question: What is the intensity in W/m² of a laser beam used to burn away cancerous tissue that, when 91.5% absorbed, puts 453 J of energy into a circular spot 2.13 mm in diameter in 3.80 s?

How many times more intense is this than the maximum intensity of direct sunlight (about 1360 W/m²)?

Reference no: EM132104654

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