Two uniform charge lines are positively charged with uniform charge lengths Which is the electric field value in P. P L L 2 Select one: Or a. E,=te, =:- Or b. e, tea,=k. O c E, = -k, E, = k Or d. E, = -k, E, = -k
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- 3. Answer the question completely and throughly with full detailed steps. (The more explanation, the better.)I'm confused on how the answer ended up with west when the questin is asking for east?90. Which of the following is NOT a reason for the very earliest ancient development of Astronomy include: b. Testing early theories of physics. c. Developing a calendar. d. Religious and cultural ceremonies.
- 1.6. Eratosthenes noticed that the shadow's length was 1/8 the pole's height. Suppose the pole's height was h = 2 m and the shadow's length was l = 0.25 m. Calculate the angle between the Sun's ray and the pole's axis in degrees: $ = Express the same angle in radians: =, 1.7. Recall the beam of light travelling down the well in Syene. Extend that beam to the center of Earth. Also extend the pole's axis to the center of Earth. These two extensions are represented by dashed lines in Figure 1. The intersection of these two lines forms an angle 0 at the Earth's center. Use basic geometry to find the relation between angles O and p. Calculate the angle 0 in radians: 0 = 1.8. Having access to the vast informational resources of the Library of Alexandria, Eratosthenes knew that the distance between Syene and Alexandria is 5000 stadia. One stadion (plural stadia) was a unit of length commonly used at the time; it was approximately equal to 160 meters. Express the distance between Syene and…My date of birth is 7/25/1996 Please answer question 34. What is the most important element of discovering natural laws? 5. What is a model in physics? 6. What is a theory?