Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 11, Problem 61P
To determine
The gravitational field at the given point.
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H.W: In the Boher model of the hydrogen atom an electron moves at
2.19*10ʻm/s in an orbit of radius 5.29*10 centered on a proton. (a)what is
the centripetal force on the electron? (b)what is the number of revolutions
made each second?
Ans. (a)9.06 10"m/s (b 6.58 1015 1/s
%3D
H.W: A ball is thrown with an initial speed voat an angle e below the
horizontal from rooftop 44m above the ground. It lands 2sec later at a point
Vor
32m from the base of the building. Find vo and 0
Ans. 0 = -37.32v = 20. 1m/s
%3!
%3D
A recently discovered planet has a mass twice as great as Earth's and a radius twice as large as Earth's. What will be the approximate size of its gravitational field?
Field g on Different Planets
1
3.
m
m
m,r
m,2r
2 >
受,2r
Four planets have relative masses and radii as shown above. The gravitational field g is smallest on the
surface of which planet?
1
2
4
4.
2.
Chapter 11 Solutions
Physics for Scientists and Engineers
Ch. 11 - Prob. 1PCh. 11 - Prob. 2PCh. 11 - Prob. 3PCh. 11 - Prob. 4PCh. 11 - Prob. 5PCh. 11 - Prob. 6PCh. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - Prob. 9PCh. 11 - Prob. 10P
Ch. 11 - Prob. 11PCh. 11 - Prob. 12PCh. 11 - Prob. 13PCh. 11 - Prob. 14PCh. 11 - Prob. 15PCh. 11 - Prob. 16PCh. 11 - Prob. 17PCh. 11 - Prob. 18PCh. 11 - Prob. 19PCh. 11 - Prob. 20PCh. 11 - Prob. 21PCh. 11 - Prob. 22PCh. 11 - Prob. 23PCh. 11 - Prob. 24PCh. 11 - Prob. 25PCh. 11 - Prob. 26PCh. 11 - Prob. 27PCh. 11 - Prob. 28PCh. 11 - Prob. 29PCh. 11 - Prob. 30PCh. 11 - Prob. 31PCh. 11 - Prob. 32PCh. 11 - Prob. 33PCh. 11 - Prob. 34PCh. 11 - Prob. 35PCh. 11 - Prob. 36PCh. 11 - Prob. 37PCh. 11 - Prob. 38PCh. 11 - Prob. 39PCh. 11 - Prob. 40PCh. 11 - Prob. 41PCh. 11 - Prob. 42PCh. 11 - Prob. 43PCh. 11 - Prob. 44PCh. 11 - Prob. 45PCh. 11 - Prob. 46PCh. 11 - Prob. 47PCh. 11 - Prob. 48PCh. 11 - Prob. 49PCh. 11 - Prob. 50PCh. 11 - Prob. 51PCh. 11 - Prob. 52PCh. 11 - Prob. 53PCh. 11 - Prob. 54PCh. 11 - Prob. 55PCh. 11 - Prob. 56PCh. 11 - Prob. 57PCh. 11 - Prob. 58PCh. 11 - Prob. 59PCh. 11 - Prob. 60PCh. 11 - Prob. 61PCh. 11 - Prob. 62PCh. 11 - Prob. 63PCh. 11 - Prob. 64PCh. 11 - Prob. 65PCh. 11 - Prob. 66PCh. 11 - Prob. 67PCh. 11 - Prob. 68PCh. 11 - Prob. 69PCh. 11 - Prob. 70PCh. 11 - Prob. 71PCh. 11 - Prob. 72PCh. 11 - Prob. 73PCh. 11 - Prob. 74PCh. 11 - Prob. 75PCh. 11 - Prob. 76PCh. 11 - Prob. 77PCh. 11 - Prob. 78PCh. 11 - Prob. 79PCh. 11 - Prob. 80PCh. 11 - Prob. 81PCh. 11 - Prob. 82PCh. 11 - Prob. 83PCh. 11 - Prob. 84PCh. 11 - Prob. 85PCh. 11 - Prob. 86PCh. 11 - Prob. 87PCh. 11 - Prob. 88PCh. 11 - Prob. 89PCh. 11 - Prob. 90PCh. 11 - Prob. 91PCh. 11 - Prob. 92PCh. 11 - Prob. 93PCh. 11 - Prob. 94PCh. 11 - Prob. 95PCh. 11 - Prob. 96PCh. 11 - Prob. 97PCh. 11 - Prob. 98PCh. 11 - Prob. 99PCh. 11 - Prob. 100PCh. 11 - Prob. 101PCh. 11 - Prob. 102PCh. 11 - Prob. 103PCh. 11 - Prob. 104PCh. 11 - Prob. 105PCh. 11 - Prob. 106PCh. 11 - Prob. 107P
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- A body with a mass of 10.0 kg is assumed to be in Earth’s gravitationaI field with g=9.80m/s2 . What is its acceleration?arrow_forwardCalculate the effective gravitational field vector g at Earths surface at the poles and the equator. Take account of the difference in the equatorial (6378 km) and polar (6357 km) radius as well as the centrifugal force. How well does the result agree with the difference calculated with the result g = 9.780356[1 + 0.0052885 sin 2 0.0000059 sin2(2)]m/s2 where is the latitude?arrow_forwardThe gravitational force exerted on an astronaut on the Earths surface is 650 N directed downward. When she is in the space station in orbit around the Earth, is the gravitational force on her (a) larger, (b) exactly the same, (c) smaller, (d) nearly but not exactly zero, or (e) exactly zero?arrow_forward
- In your own words, describe the difference between the terms gravitational force and gravitational field.arrow_forwardWhat is the orbital radius of an Earth satellite having a period of 1.00 h? (b) What is unreasonable about this result?arrow_forwardThe Lunar Reconnaissance Orbiter (LRO), with mass m = 1850 kg, maps the surface of the Moon from an orbital altitude of 50.0 km. What are the magnitude and direction of a. the force the LRO experiences due to the Moons gravity and b. the force exerted by the LRO on the Moon?arrow_forward
- H.W: In the Boher model of the hydrogen atom an electron moves at 2.19*10°m/s in an orbit of radius 5.29*10" centered on a proton. (a)what is the centripetal force on the electron? (b)what is the number of revolutions made each second? Ans. (a)9.06*10²²m/s² (b); = 6.58 * 1015 1/s %3D H.W: A ball is thrown with an initial speed voat an angle 0 below the horizontal from rooftop 44m above the ground. It lands 2sec later at a point 32m from the Vuz base of the building. Find vo and 0 Ans. 0 = –37.32vo 20. 1m/s 44 v 32 H.W: A ball thrown up from a rooftop of height 40m lands on ground in 4s. (a)what is its maximum height above the ground? (b)what is its velocity 15m below the rooftop? Ans. (a)44.7m (b) v = –19.65 I H.W: An object is thrown horizontally at 20m/s from a cliff top 45m above sea level. Find (a)the time to land; (b)the angle at which it hits the water; (c)the speed at which it hits the water. Ans. (a)3.03s (b)Ø = –54.73 (c)35.79m/sarrow_forwarda met icle an he $ 4 R ▼ 888 F4 Part A Consider a uniform gravitational field (a fair approximation near the surface of a planet). Find U(y)-U(yo)= Fg. ds. where F₁ = -mg j and ds = dy j. Express your answer in terms of m, g, yo, and yf. View Available Hint(s) IVD ΑΣΦ ? U(yf) - U (yo) = Submit Part B Consider the force exerted by a spring that obeys Hooke's law. Find II(₂) II(-). APR tv 28 % 5 F5 T 6 F6 Y & 7 F7 U * 8 ²² de DII F8 ( 9 A DD F9 0 ) O 3 of 26 Review | Constants F10 P Iarrow_forwardH.W: In the Boher model of the hydrogen atom an electron moves at 2.19*10°m/s in an orbit of radius 5.29*10" centered on a proton. (a)what is the centripetal force on the electron? (b)what is the number of revolutions made each second?arrow_forward
- A planet with mass of 7.50 x 1024) and Jupiter (m = 1.901 x 1027) are attracted to each other. However, they are in a long-distance relationship, being separated by a distance of 4.09 x 1014 meters. Calculate the force of attraction between these two planets. (Iwant to see the set-up of the equation. You can attach a picture and upload it)arrow_forwardWhat is the ratio of the sun's gravitational pull on Mercury to the sunfs gravitational pul on the earth? The radius of the orbit of Mercury is RM 5.79 x 10 m and its mass is my - 1.50 × 10 m and its mass is mp = 5,97 x 10 kg 5.97 x 1024 kg =D3.30x10 kg. The radius of the orbit of Earth is Rp 阳 AX中 FM FEarrow_forwardA satellite orbiting a planet with a radius of 2.0 x 107m very near the surface of the planet has a period of 4.1 hours. Determine the gravitational field intensity g on that planet.arrow_forward
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