Summary

• Summer Break

• Syllabus overview
  • books & supplies
  • course goals
  • assignments & grading
  • WebAssign
  
  
• About the professor
  
  
• How to learn physics
  
  • learning athletics
  • learning music
  • working together
  
  
  
• Dimensional analysis
  • English units: foot pound second
  • SI units: meter kilogram second
  • Powers of ten
  • Examples
    Example #1
    
    Example #2
    
  
  
• Significant figures
  Example #3
  
  
  
• How to succeed in college
  • Set a GPA goal
  • Treat college like an 8 to 5 job
  • Attend class
  • Keep up
  • Relate to your professors
  • Be a "well-rounded square"

sj6 1.22a
An auditorium measures 40.0 m × 20.0 m × 12.0 m. What is the volume of the room in cubic feet?
A. 9600 ft³
B. 3.39×10⁵ ft³
C. 272 ft³
D. 4.88×10⁷ ft³
Answer















sj6 1.22b
An auditorium measures 40.0 m × 20.0 m × 12.0 m. What is the weight of the air in pounds if the density of air is 1.20 kg/m³?
A. 25,300 lb
B. 11,520 lb
C. 2590 lb
D. 192 lb
Answer















sj6 1.50d
How many significant digits are there in the number 0.00530?
A. 2
B. 3
C. 4
D. 6
Answer















 



B. 3.39×10⁵ ft³





















 



A. 25,300 lb





















 



B. 3
The last zero is significant but the three leading zeros are not.