Exercise 2 Group Number: Estimate of Angular Diameters Page 1 Names of members of lab group (alphabetical please) Determine the angular width of the fingers or between the knuckles for each member of your group using techniques described in class. Group Member Name: What is being used for the angular measure? Angular width appropriate for this person: Group Member Name: What is being used for the angular measure? Angular width appropriate for this person: Group Member Name: What is being used for the angular measure? Angular width appropriate for this person: Group Member Name: What is being used for the angular measure? Angular width appropriate for this person: Group Member Name: What is being used for the angular measure? Angular width appropriate for this person:Exercise 2 Group Number: Estimate of Angular Diameters Page 2 1. Estimate the angular diameter of 3 objects on campus. You can use the "knuckle” or “finger” rule that you learned in class. Fill in the following information for each object. Brief Description of Object and it's location (ex: Door at main entrance to science center) Your location when you made the measurement Angular Diameter: Brief Description of Object and it's location (ex: Door at main entrance to science center) Your location when you made the measurement Angular Diameter: Brief Description of Object and it's location (ex: Door at main entrance to science center) Your location when you made the measurement Angular Diameter:Exercise 3 Group Number: Estimate of Angular Diameters Page 2 Check of your abilities. 2. Stand at the door to SC101 (the door that leads to the hall to my office, SC101B). Estimate the diameter of the door to the Physics Department Office down the hall. Next, measure the distance to the door of the physics office to where you are standing, and measure the actual width of the door. Using the trigonometry you learned in class, determine the actual angular diameter of the door from your position. Here is some information you might find useful: The small floor tiles are 9 inches square The bigger floor tiles are 12 inches square Distance to physics office door (show how you arrived at this result) Width of physics office door (show how you arrived at this result) Your estimate of the angular diameter of the door (use knuckle rule) Angular diameter of door (show you calculation in this box): 3. Estimate, to the best of your ability, the smallest angular diameter object that you can
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