If We Use 67 W of Power to Heat 148

question 46

Multiple Choice

If we use 67 W of power to heat 148 g of water, how long will it take to raise the temperature of the water from 15°C to 25°C? The specific heat of water is 4190 J/kg•K.

• A) 93 s
• B) 5.3 s
• C) 22 s
• D) 114 h

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