DarkCrusader DarkCrusader

27-06-2020
Physics

contestada

How much electrical energy is used by a 75 W laptop that is operating for 12
minutes?

Respuesta :

27-06-2020

"1 watt" means 1 joule of energy per second.

75 W means 75 joules/sec .

Energy = (75 Joule/sec) x (12 min) x (60 sec/min)

Energy = (75 x 12 x 60) (Joule-min-sec / sec-min)

Energy = 54,000 Joules

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