A well-insulated electric water heater warms 113 kg of water from 20.0°C to 53.0°C in 21.0 min. Find the resistance (in 2) of its heating element, which is connected across a 240 V potential difference. 4.65 Ω What If? How much additional time (in min) would it take the heater to raise the temperature of the water from 53.0°C to 100°C? 28.26 X min What would be the total amount of time (in min) required to evaporate all of the water in the heater starting from 20.0°C? min

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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A well-insulated electric water heater warms 113 kg of water from 20.0°C to 53.0°C in 21.0 min. Find the resistance (in Ω) of its heating element, which is connected across a 240 V potential difference.

4.65 Ω ✔️

**What If?** How much additional time (in min) would it take the heater to raise the temperature of the water from 53.0°C to 100°C?

28.26 min ❌

What would be the total amount of time (in min) required to evaporate all of the water in the heater starting from 20.0°C?

____ min
Transcribed Image Text:A well-insulated electric water heater warms 113 kg of water from 20.0°C to 53.0°C in 21.0 min. Find the resistance (in Ω) of its heating element, which is connected across a 240 V potential difference. 4.65 Ω ✔️ **What If?** How much additional time (in min) would it take the heater to raise the temperature of the water from 53.0°C to 100°C? 28.26 min ❌ What would be the total amount of time (in min) required to evaporate all of the water in the heater starting from 20.0°C? ____ min
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