Radius of earth - Study guides, Class notes & Summaries

According to Newton's Second Law of motion, if the net force acting on the object increases while the mass of the object remains constant, what happens to the acceleration? Hint: Remember F = m * a - correct answer Acceleration Increases If the earth were moved to half its current distance from the sun, how would the force of gravity by the sun on the earth change? Hint: Recall the form of the equation that you derived, earlier in the game: "gravitational acceleration (g) is proportio...

Take a moment and consider all of the attributes of Earth. From the list below, select the attribute(s) that make Earth unique among planetary bodies in the solar system. You will be scored based on completion, not accuracy. correct answer: Liquid Water at the Surface Looking at Earth to the right, what makes our planet seem blue from space? correct answer: Liquid Water From the list below, select the factor(s) that determine whether liquid water will be stable at Earth's surface. You w...

Chapter 3: Conducted and Wireless Media TRUE/FALSE 1. Category 1 twisted pair wire is not recommended for transmitting megabits of computer data. ANS: T PTS: 1 REF: 63 2. Category 1 wire is susceptible to experiencing noise and signal attenuation. ANS: T PTS: 1 REF: 63 3. Category 1 twisted pair wire produces less noise and signal attenuation than Category 2. ANS: F PTS: 1 REF: 63 4. Much of the Category 3 wire sold today is used for new computer network installations. ANS: F PTS: 1 REF: 6...

 -1.5 magnitude Sirius appears 25x brighter than 2 magnitude Polaris.  “All neutron stars are pulsars, but not all pulsars are neutron stars” FALSE  “Spectroscopic Binary” is the term given to a pair of stars that we can determine are orbiting each other only by measuring their periodic Doppler shifts.  A 6.8 solar mass neutron star does NOT exist.  A loop of gas and charged particles following the magnetic field lines between sunspot’s poles is a Prominence/...

Solar System Explorer Answer Key Vocabulary: astronomical unit, dwarf planet, eccentricity, ellipse, gas giant, Kepler’s laws, orbit, orbital radius, period, planet, solar system, terrestrial planet Prior Knowledge Questions (Do these BEFORE using the Gizmo.) [Note: The purpose of these questions is to activate prior knowledge and get students thinking. Students are not expected to know the answers to the Prior Knowledge Questions.] 1. List all of the planets you can think of in our sola...

Radiation Protection in Medical Radiography/ Final Exam 2023 Which of the following is a form of radiation that is capable of creating electrically charged particles by removing orbital electrons from the atom of normal matter through which it passes? a. Ionizing radiation b. Nonionizing radiation c. Subatomic radiation d. Ultrasonic radiation - ANSWER-a. Ionizing Radiation The millisievert (mSv) is equal to a. 1/10 of a sievert. b. 1/100 of a sievert. c. 1/1000 of a sievert. d. ...

This exam is entirely multiple choice or true/false. A=T, B=F TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 1) The photosphere is about 100 times the diameter of the Earth, and large sunspots are larger than our whole planet. 1) 2) Granulation is the most obvious proof of solar convective energy transport. 2) 3) The solar corona is much cooler than the Sun's surface, hence we must wait for a total solar eclipse to glimpse it with the naked eye. 3)...

Astro 7n Exam 1 Questions with 100%Correct Answers 2024. 1. What two properties of a planet affect the gravity we feel on its surface? A: radius and distance from the Sun B: radius and temperature C: mass and distance from the Sun D: mass and radius E: mass and temperature 2. Two planets have the same radius. If Planet A is 5 times more massive than Planet B, how does gravity differ on the surfaces of the two planets? A: gravity is 5 times stronger on Planet B B: gravity is 5 times...

Astro 7n Exam 1 Questions with 100%Correct Answers 2024. 1. What two properties of a planet affect the gravity we feel on its surface? A: radius and distance from the Sun B: radius and temperature C: mass and distance from the Sun D: mass and radius E: mass and temperature 2. Two planets have the same radius. If Planet A is 5 times more massive than Planet B, how does gravity differ on the surfaces of the two planets? A: gravity is 5 times stronger on Planet B B: gravity is 5 times...

Astro 7n Exam 1 Questions with 100%Correct Answers 2024. 1. What two properties of a planet affect the gravity we feel on its surface? A: radius and distance from the Sun B: radius and temperature C: mass and distance from the Sun D: mass and radius E: mass and temperature 2. Two planets have the same radius. If Planet A is 5 times more massive than Planet B, how does gravity differ on the surfaces of the two planets? A: gravity is 5 times stronger on Planet B B: gravity is 5 times...