Activity 12.4 number one and two Activity 12.4 number one and two 12.4 Calculati

Question

Activity 12.4 number one and two Activity 12.4 number one and two 12.4 Calculating the Noon Sun Angle If you first determine the latitude where the noon Sun is directly overhead on a given date ing the analemma, you can determine the angle of the noon Sun at any other latitude on that same day. The relationship between latitude and the noon Sun angle is stated as fol- lows: For each degree of latitude that a place is away from the latitude where the noon Sun is overhead, the angle of the noon Sun will be 1° lower. ACTIVITY 12.4 Calculating Noon Sun Angle To calculate the noon Sun angle, examine FIGURE 12.7 and follow these steps: Step 1: Find the number of degrees of latitude separating the location you want to know about from the latitude Step 2: Subtract that value from 90. The example in Figure 12.7 illustrates how to calculate the noon Sun angle that is receiving the vertical rays of the Sun. for a city located at 40°N latitude on December 22 (the winter solstice). 1. Fill in the top row in TABLE 12.2 by writing in the latitudes that are experiencing the overhead noon Sun on the ys listed. 2. Complete Table 12.2 by calculating the noon Sun angle for each of the latitudes on the dates given. Some have n completed for reference.

Explanation / Answer

1) The lattitudes that experiencing overheaded noon sun on the given dates are as follows:

2) Noon Sun angle for each of the latitudes on the given dates are as following:

Date March 21 April 11 June 21 December 22 Latitude experiencing overheaded noon Sun 0o 8oN 23.5oN 23.5oS

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