A kilogram of water c 4186 kjkg degc is stirred using a
A kilogram of water (c = 4.186 kJ/kg °C) is stirred using a 400 watt device for 5 minutes. At the end of this time the temperature of the water has increased by 15°C. How much heat was lost to the surroundings?
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a kilogram of water c 4186 kjkg degc is stirred using a 400 watt device for 5 minutes at the end of this time the
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