benjamindjan29 benjamindjan29

25-11-2021
Physics

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Which costs more? Using a 1.5kW microwave for 10 minutes or a 30W CD player for 3 hours?

Respuesta :

27-11-2021

Microwave Cost More

____________

= 1,5 kW

= 1.500 Watt × 10/60

= 15.000 ÷ 60

= 250 Watt

= 30 Watt × 3

= 90 Watt

Microwave Using 250 Watt For 10 Minutes

CD Player Using 90 Watt For 3 Hours

Microwave ≥ CD Player

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