jam0921 jam0921

30-04-2019
Physics

contestada

How much energy is used by a 900 w microwave that operates for 4 minutes ?
A 260,000 J
B 215,000 J
C 3600 J
D 225 J

Respuesta :

Chelboy Chelboy

17-01-2020

Answer:216000 joules

Explanation:

Firstly we have to convert time from minutes to seconds

Therefore 4minutes = 60×4 =240seconds

Energy=power×time

Energy=900×240

216000joules

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