PHY 007 

 

Week 2 Assignments

  Main Objectives for Week:
  • Calibrate a standard balance
  • Practice changing between grams and milligrams
  • Practice reading scales
  • Develop a procedure for measuring mass in grams
  • Understand what a scientist means by the "uncertainty" in a measurement
  • Be able to use uncertainties to decide if two measurements are definitely the same, possible the same, or definitely different
Monday Finish 2.7 by using your balance to check whether your predictions are correct.  Complete 2.9, 2.10, 2.15, 2.16, 3.1, 3.2, 3.3, 3.4, and 3.5.   Experiment 3.5 is very important.  Do it carefully.  Carelessness here will affect your measurements for the rest of the semester.

Outside of class: Complete 3.6 and 3.7 in your notebook before Friday.  Do homework problems 2.1 and 2.2 to turn in Wednesday.

Wednesday Lecture and demonstrations on basic energy concepts.

Outside of class: Read the handout on energy. 

Friday Complete 3.8, 4.1, 4.2, 4.3, 4.4, and 4.5.

Outside of class:   Complete 4.6 and 5.1A in your notebook.  (Part of the instructions in 5.1A tell you to discuss your answer with the your partner.   Obviously you can't do that until you come back to class.)  Complete homework problems 2.8, 3.1, and 4.1 to be turned in Monday.