College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter11: Energy In Thermal Processes
Section: Chapter Questions
Problem 52P: A granite ball of radius 2.00 m and emissivity 0.450 is heated to 135C. (a) Convert the given...
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QUESTION 2
A copper cup holds some cold water at 4°C. The copper cup weighs 140g while the water weighs 80g. If 100g of hot water, at 90°C is added, what
will be the final temperature of the water?
= 4200 J/kgK
Cwater
= 390 J/kgK
Ссоррer
021.3 deg C
032.5 deg C
048.6 deg C
065.1 deg C
Transcribed Image Text:QUESTION 2 A copper cup holds some cold water at 4°C. The copper cup weighs 140g while the water weighs 80g. If 100g of hot water, at 90°C is added, what will be the final temperature of the water? = 4200 J/kgK Cwater = 390 J/kgK Ссоррer 021.3 deg C 032.5 deg C 048.6 deg C 065.1 deg C
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