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Gre4nikov [31]
3 years ago
14

(

Physics
1 answer:
egoroff_w [7]3 years ago
8 0

Answer:

P = E / t       definition of power is energy / unit time

1 W = 1 Joule / sec      definition of 1 Watt of power

E = 2.6E4 J/s * 30 s = 7.8E5 Joules = 780,000 Joules

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