p39_014 - 10 8 m / s) / (550 10 9 m) = 1 . 00 10 22 / s ....

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14. (a) The rate at which solar energy strikes the panel is P =(1 . 39 kW / m 2 )(2 . 60 m 2 )=3 . 61 kW . (b) The rate at which solar photons are absorbed by the panel is R = P E ph = 3 . 61 × 10 3 W (6 . 63 × 10 34 J · s) (2 . 998
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Unformatted text preview: 10 8 m / s) / (550 10 9 m) = 1 . 00 10 22 / s . (c) The time in question is given by t = N A R = 6 . 02 10 23 1 . 00 10 22 / s = 60 . 2 s ....
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