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15-02-2016
Physics

contestada

a 4 watt night light is left on for 8 hours each night how much work does it do per night

Respuesta :

15-02-2016

1 watt = 1 joule per second

   (4 joules/second) x (3600 second/hour) x (8 hour)

   = (4 x 3600 x 8) (joule)

   = 115,200 joules .

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