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- If the solar disc requires 2 minutes for an apparent motion of one solar diameter across the sky (0.5 degrees), how many solar diameters extend from sunrise to noon on an equinox day? 12 solar diameters 24 solar diameters 60 solar diameters 120 solar diameters 180 solar diametersEratosthenes of Cyrene measured a solar shadow at about 7.2o from the perpendicular in a well at Alexandria, Egypt, but no solar shadow (0o from the perpendicular) in a well at Syene, Egypt, 490 miles to the south, at midday on the summer solstice. From these measurements, he was able to calculate: that the circumference of the Earth is about 73,500 miles that the circumference of the Earth is about 61,250 miles that the circumference of the Earth is about 49,000 miles that the circumference of the Earth is about 36,750 miles E. that the circumference of the Earth is about 24,500 miles. Using the Pythagorean theorem, either with or without the formula proposed by Archimedes (or by Heron), calculate the area of an isosceles triangle with sides of 17 meters, 16 meters, and 17 meters. 24 meters2 48 meters2 60 meters2 96 meters2 120 meters2
- What does not orbit the sunUsing the Pythagorean theorem, either with or without the formula proposed by Archimedes (or by Heron), calculate the area of a scalene triangle with sides of 9 meters, 12 meters, and 15 meters. 15 meters2 36 meters2 54 meters2 60 meters2Figure 1. Ultraviolet Radiation Index across the World. The colors on this map of the world represent Ultraviolet (UV) Index values on a particular day in September 2015. The UV Index is a standardized scale of UV radiation intensity running from 0 (least intense) to 18 (most intense). The y-axis values are degrees of latitude, which range from the equator (0°) to the poles (90° north and −90° south). The x-axis values are degrees of longitude, which range from the prime meridian (0°) to the antemeridian (180° east and −180° west). (Source: European Space Agency,http://www.temis.nl/uvradiati on/UVindex.html.) I. Examine Figure 1 above and answer Questions 1–6. 1. Describe the relationship between the UV Index (the colored bar in Figure 1) and latitude (y-axis). 2. How do you explain the relationship between the UV Index and latitude? (In other words, why does UV intensity change with latitude?) 3. Find your approximate location on the map. What is the primary UV…
- When you are standing on railroad tracks and looking down the tracks toward the horizon, the tracks appear closer together the farther down you look. Which depth cue are you experiencing? Atmospheric perspective Relative size Perspective convergence Focus of expansionWhat does a scientific research-based graph or chart mean?What picture does it correspond to?
- A biology student is investigating the claim that the temperature can be predicted by counting cricket chirps. He has collected data and comes up with the linear model T=39.2+0.233r, where T is the temperature in degrees Fahrenheit and r is the number of chirps per minute. Interpret the slope of the equation. The model predicts a decrease of 0.233 degrees for each increase of 1 chirp per minute. The model predicts a decrease of 39.2 degrees for each increase of 1 chirp per minute. The model predicts an increase of 39.2 degrees for each increase of 1 chirp per minute. The model predicts an increase of 0.233 degrees for each increase of 1 chirp per minute.Aristotle’s geocentric model of the solar system, despite its erroneous premise, would remain the accepted view of Western astronomy for almost 2,000 years, principally because of: the publication of the Almagest by Claudius Ptolemy the publication of the Elements by Euclid of Alexandria the publication of Ecclesiastical History by Bede the Venerable the publication of The Guide of the Perplexed by Moses ben Maimon the publication of Hisab al-jabr w’al-muquabaa by Abu Abd-Allah ibn Musa al-KwarizmiWhich graph give a more accurate Km and Vmax from the following graphs: Line-weaver Burke plot, Eadie Hofstee plot, or Hanes Woolf plot?