Summary

• Conduction, convection, radiation
• Ideal gas law
• Kinetic theory of gases

• Written Quiz    Timer
  
• Elastic properties of solids
  • stress & strain
  • elastic modulii
    • Young's modulus
      applet
    • shear modulus
      applet
    • bulk modulus
      applet
      Example #1
      
      Example #2
      
  
  
  
  
  
  
  
  
  
  
  

sj6 12.34
A 2.0-m-long, 4.0-mm-diameter steel wire is placed over a pulley with 5.0 kg and 3.0 kg masses hung on its ends. By how much does it stretch while in motion?
A. 1.76 mm
B. 0.312 mm
C. 29.2 µm
D. 4.33 µm
Answer















sj6 12.36
What is the density of sea water at a depth of 11 km if the pressure there is 113 MPa and the surface ρ=1030 kg/m³?
A. 1035 kg/m³
B. 1049 kg/m³
C. 1089 kg/m³
D. 1476 kg/m³
Answer















 



C. 29.2 µm





















 



C. 1089 kg/m³