" 478 watts " means 478 joules per second.
In 14 seconds, the total work or energy is (14 x 478) = 6,692 joules
6,692 Joules of power ;
The work done when 478 watts of power is used for 14 seconds is 6,692 joules. This is calculated using the formula Work = Power × Time. Hence, in this case, Work = 478 W × 14 s = 6,692 J.
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