10) A steel bridge is 1000 m long at -20°C in winter. What is the change in length when the temperature rises to 40°C in summer? The average coefficient of linear expansion of this steel is 11 x 10-6 K-1. Show work. A) 0.33 m B) 0.44 m C) 0.55 m D) 0.66 m 11) The process in which heat flows by the mass movement of molecules from one place to another is known as A) conduction. B) convection. C) radiation. 12) A 4.0-kg aluminum block is originally at 10°C. If 160 kJ of heat is added to the block, what is its final temperature? The specific heat capacity of aluminum is 910 J/kg · K. Show work. A) 24°C B) 34°C C) 44°C D) 54°C 24 MacBook Air
10) A steel bridge is 1000 m long at -20°C in winter. What is the change in length when the temperature rises to 40°C in summer? The average coefficient of linear expansion of this steel is 11 x 10-6 K-1. Show work. A) 0.33 m B) 0.44 m C) 0.55 m D) 0.66 m 11) The process in which heat flows by the mass movement of molecules from one place to another is known as A) conduction. B) convection. C) radiation. 12) A 4.0-kg aluminum block is originally at 10°C. If 160 kJ of heat is added to the block, what is its final temperature? The specific heat capacity of aluminum is 910 J/kg · K. Show work. A) 24°C B) 34°C C) 44°C D) 54°C 24 MacBook Air
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Please answer 10 and 12
Transcribed Image Text:D) 4.4°F
10) A steel bridge is 1000 m long at -20°C in winter. What is the change in length when the temperature rises to 40°C in
summer? The average coefficient of linear expansion of this steel is 11 x 10-6 K-1. Show work.
A) 0.33 m
B) 0.44 m
C) 0.55 m
D) 0.66 m
11) The process in which heat flows by the mass movement of molecules from one place to another is known as
A) conduction.
B) convection.
C) radiation.
12) A 4.0-kg aluminum block is originally at 10°C. If 160 kJ of heat is added to the block, what is its final temperature?
The specific heat capacity of aluminum is 910 J/kg K. Show work.
A) 24°C
B) 34°C
C) 44°C
D) 54°C
100C
24
MacBook Air
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