Sodium vapor light emits of light energy
A sodium vapor light emits 10 W of light energy. Its wavelength is 589 nm, and it spreads in all directions. How many photons pass through your pupil, diameter 4mm, in 1 s if you stand 10 m from the light?
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Make a sketch of a position versus time graph,the velocity versus time graph and the acceleration versus time graph. Describe in words what parts of the graph is showing. write the equation that describes each graph.
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