Answered: QUESTION 62 You could also use the…

Name: QUESTION 62You could also use the Earth's orbital period around the S
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Description: QUESTION 62You could also use the Earth's orbital period around the Sun and its distance from the Sun to determine its density.O TrueO False

Science

Physics

QUESTION 62 You could also use the Earth's orbital period around the Sun and its distance from the Sun to determine its density. O True False

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A number of gas giant planets orbiting other stars at distances less than 1 A.U. have been discovered. Because of their proximity to their parent stars, and their compositional similarity to Jupiter, they have been labeled “Hot Jupiters”. The orbital radius of one of these planets is 0.06 A.U. with average orbital speed 600 km/sec. What is the length of this planet’s year in Earth (solar) days? Estimate the mass, M, of its parent star in terms of the mass of the sun (M) using Newton’s first form of Kepler’s 3rd Law. Calculate the star’s luminosity, L, in terms of the luminosity of the sun (L☉), Note: (LL=MM4where L ~ 4 × 1026 W ). The radius of this planet is 1.5 times the radius of Jupiter. Assuming its equilibrium temperature is the temperature at which the planet radiates as much energy as it receives from its star, estimate the temperature of the planet. The value of the planet’s albedo is 0.8. (NOTE: The intensity of the star’s radiant power at a distance d from the star is…
A distance R is measured to be 3.400±0.005m. What is the relative uncertainty in R? b) What is the relative uncertainty in R3? c) What is the relative uncertainty in R−2? d) What is the absolute uncertainty in R−2? e) What is the relative uncertainty in √R?
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2. Suppose you are standing on a field, which is at a latitude of 40 5/6°, and that you are 2.0 m tall. (a) Analytically find the speed of your feet, v, due to the rotation of the Earth. (Assume that the Earth is a perfect sphere, which is not, of radius R = 6378 km and that a day is exactly 24 hours long.) (b) Using your result from (a), determine the centripetal acceleration of your feet. 1 (c) Repeat parts (a) and (b) for your head and compute the difference between the acceleration at your head and feet. Show how round-off can corrupt your calculation and offer a way to fix the problem.
The earth orbits the sun once a year (3.16 107 seconds) in a nearly circular orbit of radius 1.5-10¹¹m. a) Assuming the earth travels at a constant speed, determine that speed. (Hint: Average speed distance / time. Distance around a circle is called the circumference of the circle.) VEarth = m/s b) Determine the size of the centripetal acceleration of the earth. m ac = c) Determine the size of the net centripetal force needed to keep the earth orbiting the sun. What is its direction? Fret N
According to Lunar Laser Ranging experiments the average distance LM from the Earth to the Moon is approximately 3.85 x 105 km. The Moon orbits the Earth and completes one revolution in approximately 27.5 days (a sidereal month). a) Calculate the orbital velocity of the Moon. b) Calculate mass of the Earth.
Solve the following problems. 000 1. Assume that Earth's orbit around the sun is circular, and that the radius of Earth's orbit is about 1.50 x 10" km. Earth completes a full revolution around the sun in 365 days. a. Calculate the tangential velocity of Earth in km/s (you have to convert days to seconds first). b. Calculate the acceleration of Earth towards the sun in m/s (you have to convert days to seconds and km to m first). 2. A certain Ferris wheel with radius 14.0 m is turning at speeds of 7.00 m/s at its farthest point. a. What is the acceleration experienced by a car attached to the rim of the Ferris wheel? b. How long does it take for the Ferris wheel to complete one full revolution?
Earth Mars Saturn answers, include units 1 AU=1.496 x 10" m and Mun= 1.989 x 10 kg Mass of planet Radius of (kg) planet (km) 6371.0 3389.5 58,232 5.972x1024 6.417x102 5.683x102 Semimajor axis Eccentricity of Period of orbit of orbit a (AU) orbit e T (years) 1.00 0.0167 1.00 0.0934 1.88 0.0565 9.58 a) Use Kepler's 3rd Law to find the semimajor axis of Mars' orbit. AU m b) Use Kepler's 3rd Law to find the period of Saturn's orbit. c) Find the gravitational acceleration on the surface of Mars both in m/s² and as a multiple of Earth's gravitational acceleration. yrs m/s² g For (d) and (e), Earth's orbit is elliptical (ez0) but the semimajor axis is the average radius of the orbit so using the semimajor axis as the radius will let you solve for the average force and speed. d) Find the average force of gravity on the Earth from the Sun. e) Find the average speed of Earth as it moves around its orbit. N m/s
6. For vectors B = -î – 4ĵ and Å = -31 – 2j, calculate: a. Ā +B and its magnitude and direction angle b. A-B and its magnitude and direction angle.
2. If the distance (R?) in the denominator increases, what will happen to the gravitational force?
8. Suppose you walk 18.0 m straight west and then 25.0 m straight north. How far are you from your starting point, and what is the compass direction of a line connecting your starting point to your final position? 13 y R N Ꮎ 1A W N S E