EBK PHYSICS FOR SCIENTISTS AND ENGINEER
9th Edition
ISBN: 8220100654428
Author: Jewett
Publisher: Cengage Learning US
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Chapter 13, Problem 13.42P
To determine
The expression for the work required to move Earth satellite.
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Derive an expression for the work required to move an Earth satellite of mass m from a circular orbit or radius 2RE to one of radius 3RE. (Use any variable or symbol stated above along with the
following as necessary: G and ME for the mass of the Earth.)
GMm
W=
6RE
X
A satellite of mass m is attracted to the Earth, mass m, with a force of magnitude тт F\=G where G is the gravitational constant. Find the potential energy function for this force. Find the work done by this force when the satellite is moved from the orbit of radius R, to the further orbit of radius R2.
A satellite of mass m is in an elliptical orbit around the Earth, which has mass ME and radius RE. The orbital radius varies from the smallest value rA at point A to the largest value rB at point B. The satellite has a velocity vA at point A. Assume that the gravitational potential energy Ug = 0 when the satellite is at an infinite distance from the Earth. Present all the answers in terms of G, m, ME, RE, rA, rB, and vA.
Derive an expression for the gravitational potential energy of the satellite as a function of distance r from the center of the Earth by using an appropriate definite integral.
Determine the total mechanical energy of the satellite when it is at point A.
Determine the angular momentum of the satellite with respect to the center of the Earth when it is at point A.
Determine the velocity of the satellite when it is at point B.
Chapter 13 Solutions
EBK PHYSICS FOR SCIENTISTS AND ENGINEER
Ch. 13 - A planet has two moons of equal mass. Moon 1 is in...Ch. 13 - Superman stands on top of a very tall mountain and...Ch. 13 - An asteroid is in a highly eccentric elliptical...Ch. 13 - Prob. 13.4QQCh. 13 - A system consists of five particles. How many...Ch. 13 - Rank the following quantities of energy from...Ch. 13 - Prob. 13.3OQCh. 13 - Suppose the gravitational acceleration at the...Ch. 13 - Imagine that nitrogen and other atmospheric gases...Ch. 13 - An object of mass m is located on the surface of a...
Ch. 13 - Prob. 13.7OQCh. 13 - The vernal equinox and the autumnal equinox are...Ch. 13 - Rank the magnitudes of the following gravitational...Ch. 13 - The gravitational force exerted on an astronaut on...Ch. 13 - Prob. 13.11OQCh. 13 - Each Voyager spacecraft was accelerated toward...Ch. 13 - In his 1798 experiment, Cavendish was said to have...Ch. 13 - Prob. 13.3CQCh. 13 - Prob. 13.4CQCh. 13 - Prob. 13.5CQCh. 13 - Prob. 13.6CQCh. 13 - Prob. 13.7CQCh. 13 - Prob. 13.8CQCh. 13 - A satellite in low-Earth orbit is not truly...Ch. 13 - In introductory physics laboratories, a typical...Ch. 13 - Determine the order of magnitude of the...Ch. 13 - A 200-kg object and a 500-kg object are separated...Ch. 13 - During a solar eclipse, the Moon, the Earth, and...Ch. 13 - Two ocean liners, each with a mass of 40 000...Ch. 13 - Three uniform spheres of masses m1 = 2.00 kg, m2 =...Ch. 13 - Two identical isolated particles, each of mass...Ch. 13 - Prob. 13.8PCh. 13 - Two objects attract each other with a...Ch. 13 - Review. A student proposes to study the...Ch. 13 - Prob. 13.11PCh. 13 - Prob. 13.12PCh. 13 - Review. Miranda, a satellite of Uranus, is shown...Ch. 13 - (a) Compute the vector gravitational field at a...Ch. 13 - Three objects of equal mass are located at three...Ch. 13 - A spacecraft in the shape of a long cylinder has a...Ch. 13 - An artificial satellite circles the Earth in a...Ch. 13 - Io, a satellite of Jupiter, has an orbital period...Ch. 13 - A minimum-energy transfer orbit to an outer planet...Ch. 13 - A particle of mass m moves along a straight line...Ch. 13 - Plasketts binary system consists of two starts...Ch. 13 - Two planets X and Y travel counterclockwise in...Ch. 13 - Comet Halley (Fig. P13.23) approaches the Sun to...Ch. 13 - Prob. 13.24PCh. 13 - Use Keplers third law to determine how many days...Ch. 13 - Neutron stars are extremely dense objects formed...Ch. 13 - A synchronous satellite, which always remains...Ch. 13 - (a) Given that the period of the Moons orbit about...Ch. 13 - Suppose the Suns gravity were switched off. The...Ch. 13 - A satellite in Earth orbit has a mass of 100 kg...Ch. 13 - How much work is done by the Moons gravitational...Ch. 13 - How much energy is required to move a 1 000-kg...Ch. 13 - Prob. 13.33PCh. 13 - An object is released from rest at an altitude h...Ch. 13 - A system consists of three particles, each of mass...Ch. 13 - Prob. 13.36PCh. 13 - A 500-kg satellite is in a circular orbit at an...Ch. 13 - Prob. 13.38PCh. 13 - Prob. 13.39PCh. 13 - Prob. 13.40PCh. 13 - Prob. 13.41PCh. 13 - Prob. 13.42PCh. 13 - Prob. 13.43PCh. 13 - Prob. 13.44PCh. 13 - Prob. 13.45PCh. 13 - Prob. 13.46PCh. 13 - Ganymede is the largest of Jupiters moons....Ch. 13 - Prob. 13.48PCh. 13 - At the Earths surface, a projectile is launched...Ch. 13 - Prob. 13.50APCh. 13 - Prob. 13.51APCh. 13 - Voyager 1 and Voyager 2 surveyed the surface of...Ch. 13 - A satellite is in a circular orbit around the...Ch. 13 - Why is the following situation impossible? A...Ch. 13 - Let gM represent the difference in the...Ch. 13 - Prob. 13.56APCh. 13 - Prob. 13.57APCh. 13 - Prob. 13.58APCh. 13 - Prob. 13.59APCh. 13 - Two spheres having masses M and 2M and radii R and...Ch. 13 - Two hypothetical planets of masses m1 and m2 and...Ch. 13 - (a) Show that the rate of change of the free-fall...Ch. 13 - A ring of matter is a familiar structure in...Ch. 13 - Prob. 13.64APCh. 13 - Review. As an astronaut, you observe a small...Ch. 13 - Prob. 13.66APCh. 13 - Studies of the relationship of the Sun to our...Ch. 13 - Review. Two identical hard spheres, each of mass m...Ch. 13 - Prob. 13.69APCh. 13 - Prob. 13.70APCh. 13 - Prob. 13.71APCh. 13 - Prob. 13.72APCh. 13 - Prob. 13.73APCh. 13 - Two stars of masses M and m, separated by a...Ch. 13 - Two identical particles, each of mass 1 000 kg,...Ch. 13 - Prob. 13.76APCh. 13 - As thermonuclear fusion proceeds in its core, the...Ch. 13 - The Solar and Heliospheric Observatory (SOHO)...Ch. 13 - The oldest artificial satellite still in orbit is...Ch. 13 - Prob. 13.80CP
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- A system consists of five particles. How many terms appear in the expression for the total gravitational potential energy of the system? (a) 4 (b) 5 (c) 10 (d) 20 (e) 25arrow_forwardWhat is the orbital radius of an Earth satellite having a period of 1.00 h? (b) What is unreasonable about this result?arrow_forwardRank the following quantities of energy from largest to the smallest. State if any are equal. (a) the absolute value of the average potential energy of the SunEarth system (b) the average kinetic energy of the Earth in its orbital motion relative to the Sun (c) the absolute value of the total energy of the SunEarth systemarrow_forward
- An average-sized asteroid located 5.0107km from Earth with mass 2.01013kg is detected headed directly toward Earth with speed of 2.0km/s . What will its speed be just before it hits our atmosphere? (You may ignore the size of the asteroid.)arrow_forwardFind the speed needed to escape from the solar system starting from the surface of Earth. Assume there are no other bodies involved and do not account for the fact that Earth is moving in its orbit. [Hint: Equation 13.6 does not apply. Use Equation 13.5 and include the potential energy of both Earth and the Sun. Substituting the values for Earth’s mass and radius directly into Equation 13.6, we obtain vesc=2GMR=2(6.67 10 11Nm2/kg2)(5.96 10 24kg)(6.37 106m)=1.12104m/s That is about 11 km/s or 25,000 mph. To escape the Sun, starting from Earth’s orbit, we use R=RES=1.501011m and MSum=1.991030kg . The result is vesc=4.21104m/s or about 42 km/s. We have 12mvesc2GMmR=12m02GMm=0 Solving for the escape velocity,arrow_forwardA space probe is fired as a projectile from the Earths surface with an initial speed of 2.00 104 m/s. What will its speed be when it is very far from the Earth? Ignore atmospheric friction and the rotation of the Earth. P11.26 Ki+Ui=Kf+Uf12mvi2+GMEm(1rf1ri)=12mvf212vi2+GME(01RE)=12vf2orvf2=v122GMEREandvf=(v122GMERE)1/2,vf=[(2.00104)21.25108]1/2m/s=1.66104m/sarrow_forward
- 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?arrow_forwardA small particle of mass m is pulled to the top of a friction less half-cylinder (of radius R) by a light cord that passes over the top of the cylinder as illustrated in Figure P7.15. (a) Assuming the particle moves at a constant speed, show that F = mg cos . Note: If the particle moves at constant speed, the component of its acceleration tangent to the cylinder must be zero at all times. (b) By directly integrating W=Fdr, find the work done in moving the particle at constant speed from the bottom to the top of the hall-cylinder. Figure P7.15arrow_forwardFind the escape speed of a projectile from the surface of Jupiter.arrow_forward
- A mysterious force acts on all particles along a particular line and always points towards a particular point P on the line. The magnitude of the force on a particle increases as the cube of the distance from that point; that is Fr3 , if the distance from P to the position of the particle is r. Let b be the proportionality constant, and write the magnitude of the force as F=br3. Find the potential energy of a particle subjected to this force when the particle is at a distance D from P, assuming the potential energy to be zero when the particle is at P.arrow_forwardUsing the technique shown in Satellite Orbits and Energy, show that two masses m1 and m2 in circular orbits about their common center of mass, will have total energy E=K+E=K1+K2Gm1m2r=Gm1m22r . We have shown the kinetic energy of both masses explicitly. (Hint: The masses orbit at radii r1 and r2 , respectively, where r=r1+r2 . Be sure not to confuse the radius needed for centripetal acceleration with that for the gravitational force.)arrow_forwardShow that when A+B=C then A2+B2+2ABcos , where is the angle between vectors A and B .arrow_forward
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