Apex Learning - Coursesom/public/activity/5000001/assessment1 Pretest: Unit 5Question 2 of 32A satellite with a mass of 200 kg fires its engines to increase velocity, therebyincreasing the size of its orbit about Earth. As a result, it moves from acircular orbit of radius 7.5 x 10° m to an orbit of radius 7.7 x 10° m. What isthe approximate change in gravitational force from Earth as a result of thischange in the satellite's orbit? (Recall that Earth has a mass of 5.97 x 1024 kgand G= 6.67 x 10-11 N•m2/kg².)A. -73 NB. -59 NC. -32 ND. -112 NSUBMIT+ PREVIOUS

Given Mass of satellite m = 200kg Mass of earth M=5.97×1024 kg Radius of first orbital R1=7.5×106m…

Questlon 2 of 32 A satellite with a mass of 200 kg fires its engines to increase velocity, thereby increasing the size of its orbit about Earth. As a result, it moves from a circular orbit of radius 7.5 x 106 m to an orbit of radius 7.7 x 106 m. What is the approximate change in gravitational force from Earth as a result of this change in the satellite's orbit? (Recall that Earth has a mass of 5.97 x 1024 kg and G= 6.67 x 10 11 N•m2/kg².) A. -73 N B. -59 N O C. -32 N O D. -112 N SUBMIT

Questlon 2 of 32 A satellite with a mass of 200 kg fires its engines to increase velocity, thereby increasing the size of its orbit about Earth. As a result, it moves from a circular orbit of radius 7.5 x 106 m to an orbit of radius 7.7 x 106 m. What is the approximate change in gravitational force from Earth as a result of this change in the satellite's orbit? (Recall that Earth has a mass of 5.97 x 1024 kg and G= 6.67 x 10 11 N•m2/kg².) A. -73 N B. -59 N O C. -32 N O D. -112 N SUBMIT

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter13: Gravitation

Section: Chapter Questions

Problem 13.7CYU: Check Your Understanding There is another consideration to this last calculation of ME. We derived...

See similar textbooks

Similar questions

(a) What is the approximate force of gravity on a 70kg person due to the Andromeda galaxy, assuming its total mass is 1013 than of our Sun and acts like a single mass 2 Mly away? (b) What is the ratio of this force to the person's weight? Note that Andromeda is the closest large galaxy.
Following the technique used in Gravitation Near Earth’s Surface, find the value of g as a function of the radius r from the center of a spherical shell planet of constant density with inner and outer radii Rin and Rout . Find g for both eq and for RinrRout . Assuming the inside of the shell is kept airless, describe travel inside the spherical shell planet.
Check Your Understanding There is another consideration to this last calculation of ME. We derived Equation 13.8 assuming that the satellite orbits around the center of the astronomical body at the same radius used in the expression for the gravitational force between them. What assumption is made to justify this? Earth is about 81 times more massive than the Moon. Does the Moon orbit about the exact center of Earth? Which is about 17,000 mph. Using Equation 13.8, the period is T=2r3GME=2( 6.37 10 6+4.00 10 5m)3(6.67 10 11N m 2 /kg 2)(5.96 10 24kg)=5.55103s
Show that the areal velocity for a circular orbit of radius r about a mass M is At=12GMr . Does your expression give the correct value for Earth’s areal vilocity about the Sun?
Respond to each statement, true or false: (a) No force of gravity acts on an astronaut in an orbiting space station. (b) At three Earth radii from the center of Earth, the acceleration of gravity is one-ninth its surface value. (c) If two identical planets, each with surface gravity g and volume V, coalesce into one planet with volume 2V, the surface gravity of the new planet is 2g. (d) One kilogram of gold would have greater value on Earth than on the Moon.
In the diagram below for a satellite in an elliptical orbit about a much larger mass, indicate where its speed is the greatest and where it is the least. What conservatrion law dictates this behavior? Indicate the directions of the force, acceleratin, and velocity at these points. Draw vectors fo these same three quantities at the two points where the y-axis intersects (along the semi-minor axis) and from this determine whether the speed is increasing decreasing, or at a max/min.
A Molniya orbit is a highly eccentric orbit of a communication satellite so as to provide continuous communications coverage for Scandinavian countries and adjacent Russia. The orbit is positioned so that these countries have the satellite in view for extended periods in time (see below). If a satellite in such an orbit has an apogee at 40,000.0 km as measured from the center of Earth and a velocity of 3.0 km/s, what would be its velocity at perigee measured at 200.0 km altitude?
AVHRR/3 is a multispectral sensor onboard NOAA-15, a sun- synchronous platform that has an orbital period of 102.12 min. It has a swath width of 2900 km. How many AVHRR/3 orbits are produced per day? Do 2 consecutive orbits overlap at the equator? Explain your answer. (Hint: Assume Earth’s circumference at the equator = 40000 km)
If radius of the earth =6400km and the acceleration due to gravity is 9.8ms-2. Calculate the escape velocity.
A satellite (above the equator of the Earth) has a perigeum height of150 km, and the ratio between its maximum- and minimum velocity is2. What is its apogee height? What is its orbital equation? [Use theformulae of the previous exercises, problem 1.]
An object of mass mm is launched from a planet of mass MM and radius RR. a) Derive and enter an expression for the minimum launch speed needed for the object to escape gravity, i.e. to be able to just reach r=∞. b) Calculate this minimum launch speed (called the escape speed), in meters per second, for a planet of mass M=2.73×1023kg and R=86.2×103km.
On July 15,2004,NaDa lunch the aura spacecraft(mass is 2970kg) to study the earth climate and atmospheric,the satellite was injected into an orbit 705 km above the earth surface,and we shall assume a circular orbit.the radius of the earth is 6371 km,the mass of the earth is 5.97x10^24 a)what is the gravitational force acting on the aura satellite by the earth