Q = mcAT and Al = loaAT However, for questions one and two you will need to do some internet research. You will need to find various quantities for the materials in question i.e. thermal expansion coefficients, specific heats, melting points and colors at a specific temperature. (Notes: a. Pay attention to the units that you find for the numbers. b. There may be many types of the materials listed below so pick the values that seem appropriate to you. There is no one right answer). (1) Expansion of concrete A section of concrete which is 50 meters long experiences a temperature change from - 10 Celsius to 46 degrees Celsius. What is the expansion of the concrete?

Q = mcAT and Al = loaAT However, for questions one and two you will need to do some internet research. You will need to find various quantities for the materials in question i.e. thermal expansion coefficients, specific heats, melting points and colors at a specific temperature. (Notes: a. Pay attention to the units that you find for the numbers. b. There may be many types of the materials listed below so pick the values that seem appropriate to you. There is no one right answer). (1) Expansion of concrete A section of concrete which is 50 meters long experiences a temperature change from - 10 Celsius to 46 degrees Celsius. What is the expansion of the concrete?

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter5: Temperature And Heat

Section: Chapter Questions

Problem 4FIB

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ANSWER THE FF AND SHOW THE COMPLETE SOLUTION: a.) A Styrofoam cooler contains ice at 0 degrees Celsius. For the ice to melt into water at 0 degrees Celsius, it needs to take in 34 kJ of heat. How long would this take if the heat current through the cooler is 9.4 W? (answer for this is: 1hr) b.) A Styrofoam cooler contains ice at 0 degrees Celsius. The cooler is left outside where the temperature is 30 degrees Celsius. For the ice to melt into water at 0 degrees Celsius, it needs to take in 34 kJ of heat. If the cooler has a total wall area of 0.73 m^2, thickness 5.0 cm, and thermal conductivity 0.027 W/m·K, how long (in minutes) would it take for the ice to melt?