21st Century Astronomy 6E
21st Century Astronomy 6E
6th Edition
ISBN: 9780393690675
Author: Laura Kay, Stacy Palen, George Blumenthal
Publisher: W. W. Norton
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Chapter 1, Problem 25QP

(a)

To determine

Whether the theory is falsifiable.

(b)

To determine

If the theory is falsifiable, how could it be tested.

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You and your mother travel from home to school to have your Covid-19 vaccination. From your house, you walk 400 meters East, then 300 meters North as shown in the map. Analyze the map and answer the questions that follow. 1. What was the total distance that you traveled from home to school? A. 250 meters B. 300 meters C. 400 meters D. 700 meters 2. What was your displacement upon reaching the vaccination site in school? A. 250 meters B. 250 meters Northeast C. 300 meters North D. 400 meters East 3. If you and your mother will walk on the same path to return home after the vaccination, what will happen to your distance and displacement? A. The distance and displacement will become zero. B. The distance and the displacement will become equal. C. The distance will double, and the displacement will become zero. D. The distance will become zero, and the displacement will double.
A laser rangefinder is locked on a comet approaching Earth. The distance g(x), in kilometers, of the comet after x days, for x in the interval 0 to 30 days, is given by g(x)=350,000csc(π/30*x). a. Select the graph of g(x) on the interval [0,35]. b. Evaluate g(5). Enter the exact answer. c. What is the minimum distance between the comet and Earth? When does this occur? To which constant in the equation does this correspond? d. Find and discuss the meaning of any vertical asymptotes on the interval [0,35].
After completing this Lecture Tutorial, students should be able to: distinguish between scientific hypotheses and nonscientific ideas. Part 1: Comprehension of Hypotheses A scientific hypothesis needs to (1) be supported by the majority of current data and (2) be testable. An alien on Earth is wondering why a rubber ball falls back down to the ground after it is thrown into the air. It comes up with several ideas about the ball. a. Gravity is pulling the ball to the ground. b. A mystical force that cannot be measured is pushing the ball down. c. Earth's magnetic field is pulling on the rubber ball. 1. Which statement is NOT a hypothesis because it is not testable? a b c 2. Which statement is NOT a hypothesis because it is not supported by current data? a b c 3. Which statement IS a scientific hypothesis? a b c Part 2: Application to Dinosaur Extinction Below are possible scenarios explaining the extinction of the dinosaurs. a. Dinosaurs were killed off by a virus. b. A large meteorite…
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