sanaii630783 sanaii630783

10-03-2022
Physics

contestada

How long was a 50 W lightbulb left on for if 500,002 J were burned?

Respuesta :

alcohen2006 alcohen2006

10-03-2022

" 50 W " means " 50 Watts " or " 50 Joules per second ".

(500,002 J) / (50 J/sec) = 10,000.04 seconds

(That's 2 hours 46 minutes 40.04 seconds.)

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