A 2.0 mW laser produces a beam of light with a diameter of 2.7 mm shines...

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A 2.0 mW laser produces a beam of light with a diameter of 2.7 mm shines...

A 2.0 mW laser produces a beam of light with a diameter of 2.7 mm shines its light on a perfectly absorbing surface.

How much energy does the surface receive in 14 s ?

What is the radiation pressure exerted by the beam?

science physics

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