Monday, April 22, 2013

Sun Trajectory

       
This assignment involved the tracking of the suns progress across the sky. Using a permanent pole in the parking lot we recorded measurements of the length of the poles shadow 4 times a day. Using the length of the pole which was 39 3/4 inches and the length of the shadow, we used the formula Tangent=opposite/adjacent to determine the angle in which the sun was in the sky. Also we were able to figure out what direction the sun was using a compass.

10:15 AM - Length of shadow 54 inches, angle of sun 74 degrees in NE sky
1:30 PM - Length of shadow 24 1/4 inches, angle of sun 164 degrees in SE sky
3:15 PM - Length of shadow 32 inches, angle of sun 124 degrees in NW sky
5:00 PM - Length of shadow 77 inches, angle of sun 52 degrees in NW sky

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