haleymeyer haleymeyer

31-03-2016
Physics

contestada

A 1000 watt microwave oven takes 90 seconds to heat a bowl of soup. How many joules of energy does it use?

Respuesta :

olemakpadu olemakpadu

31-03-2016

Energy in Joules = Power in Watts * Time in seconds.

Energy = 1000 watt * 90 seconds.

Energy = 90 000 Joules.

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