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- Please use the info given to answer the questions. Please circle your answers. Thank you!Unit 3: Final Assessment Use your Digital Interactive Notebook, Peardeck Notes, and Science Weekly Reading for assistance. Question #1: Which evidence first supported the heliocentric model of the solar system? A. mapping of stars using the unaided eye B. taking pictures of distant galaxies with satellite-based cameras C. determining that planets orbit in elliptical paths with telescopes D. observing the surface features of nearby planets and moons with telescopesPlease answer the question and subquestions completely! This is one whole question which has subquestions! According to the official Bartleby guidelines, each question can have up to two subquestions! Thank you! 1) Use Kepler's Law to find the time (in Earth’s years) for Mars to orbit the Sun if the radius of Mars’ orbit is 1.5 times the radius of Earth's orbit. 1.8 2.8 3.4 4.2 A) The mass of Mars is about 1/10 the mass of Earth. Its diameter is about 1/2 the diameter of Earth. What is the gravitational acceleration at the surface of Mars? 9.8 m/s2 2.0 m/s2 3.9 m/s2 4.9 m/s2 none of these B) A 9.0 x 10 3 kg satellite orbits the Earth at the distance of 2.56 x 10 7 m from Earth’s surface. What is its period? 1.1 x 10 4 s 4.1 x 10 4 s 5.7 x 10 4 s 1.5 x 10 5 s
- Which of the following statements could be considered scientific statements ? 1. There is water on the surface of Mars. 2. The universe contains atoms we will never detect. It is wrong to cheat. O A. C. 1 2, and 3 are all scientific B. None of the statements is scientific OC.A. Only 1 is scientific () D. B. 1 and 2 are scientificOn Earth, the parallax angle measured for the star Procyon is 0.29 arcseconds. If you were to measure Procyon's parallax angle from Venus, what would the parallax angle be? (Note: Earth's orbital radius is larger than Venus's orbital radius.) A. more than 0.29 arcseconds O B. 0.29 arcseconds O C. less than 0.29 arcseconds D. zero arcseconds (no parallax)Part I. We will leam in this class that the distance from the Earth to the Sun is approximately 1AU = 150,000,000 kilometers. a. Convert this number to meters (1 kilometer = 10° meters) and express it using scientific notation: 150000000000 meters How else might you express this number? (Millions, billions, etc. ?) b. A car on the highway drives at 55 mph = 25 meters per second. How long would it take to drive to the Sun? (Assuming you have a car that works in outer space.) Use the equation distance = velocity x time, or time = distance / velocity. Time = distance/velocity = , seconds (don't forget to use scientific notation.) How many days?. _days How many years?. years Does the answer surprise you?
- Question 1 Answer saved Points out of2.00 P Flag question In the beginning of its formation, Earth was elect one: D a. covered with large mountains but no oceans b. was just a giant ball of fire, the core had yet to form and it was still being hit by random space deb Big Bang explosion C. was covered in ice, because of its distance from the sun and inability to retain heat, like other plan- just one big ball of frozen ice Clear my choiceExplain how to get the correct answer. It is not enough to just say what the correct answer is; you must explain the thought process behind how someone would get that answer. Explain what mistake you made and, more importantly, something concrete you can do in the future to keep from making this mistake again.REVIEW atch the terms with the definitions. E astronomy .1) A. characterized by a completed round of events 2) star B. the theory that the Earth is the center of our universe 3) planet C. a large solid body in space that revolves about a star 4) geocentric D. a gaseous body that shines by its own light and emits heat A E. the science that investigates motions, physical make-up, distances, and other characteristics of all objects in space, including Earth 5) cyclical Il in the blanks. .6) "Star law" is the literal meaning of the word 1.7) Astronomy made gains as recognized science during Europe's or revival of learning. 1.8) Sumerian observers plotted the movements of our Sun, Moon, and other planets by dividing the sky into and made planets reverse 1.9) Ptolemy's theory that the existence of themselves at certain points on their journeys around Earth was incorrect. Choose the best answers. 1.10) A D Which two ways haye people found astronomy to be useful to their lives? A. navigation
- Chap and Gravity Conversion of Mass to Energy converted to energy. How many joules (J) of energy are produced? In a nuclear reactor, 0.15 kilogram (kg) of uranium-235 is completely 1. Read and Understand What information are you given? Mass = m = 0.15 kg Speed of light = c = 300,000,000 m/s = 3 × 108 m/s 2. Plan and Solve What unknown are you trying to calculate? The amount of energy produced = E = ? What formula contains the given quantities and the unknown? E = mc2 Replace each variable with its known variable and known value. E = (0.15 kg)(3.00 × 108 m/s)² E = 1.35 x 10¹6 kg-m²/s² = 1.4 x 1016 J 3. Look Back and Check Is your answer reasonable? Yes, the calculated number is quite large compared to the mass, and the units indicate energy. 2. In a nuclear reactor, 0.20 kilogram of uranium-235 and 0.50 kilogram of plutonium-239 are completely converted to energy. How many joules of energy are produced?Milestone A: Walk 3.2 km (~2 miles) towards northeast. Milestone B: Walk 1.3 km towards southeast. Milestone C: Walk 2.4 km directly south. Surprise at the end! You have arrived at the treasure! Distance: What is the total distance traveled if you walk the distance A, B, C? Give your answer in km and miles. 2. Direction: a. what is meant by “north east?” b. what direction would this be on a cartesian coordinate system? c. What is meant by “south east?” d. What direction would this be on a cartesian coordinate system? e. What about “south”? f. What direction on cartesian coordinate system? 3. Draw the diagram: include drawing the resultant a. What does the resultant vector represent? 4. Calculate: use trigonometry to find the displacement.Direction: Solve the problem by showing your detailed solution. Activity #1.1 Problem Solver Direction: Solve the problem by showing your detailed solution. 1 NASA is expected to send a 2600-kg satellite 450 km above the earth's surface. la) What is its radius? (b) What speed will it have? (Hint: Earth's mass is 5.97 x 1024 kg)
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