Understanding Our Universe
3rd Edition
ISBN: 9780393614428
Author: PALEN, Stacy, Kay, Laura, Blumenthal, George (george Ray)
Publisher: W.w. Norton & Company,
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Chapter 3.4, Problem 3.4CYU
To determine
The weight of a person in planet twice the mass of Earth, but same radius of Earth.
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The weight of an object at the surface of a planet is proportional to planet's mass and inversely proportional to the square of the radius of the planet. Jupiter's radius is 11 times Earth's and its mass is 320 times Earth's. An apple weighs 2.20 N on Earth. How much would it weigh on Jupiter?
A man weighs 600 N while on the surface of Earth. If he is transported to a fictional planet Naboo which has the same mass as Earth but radius that is five times larger than Earth, his weight would be
On a given planet, the weight of an object varies directly with the mass of the object. Suppose that an object whose mass is 4kg weighs 24N. of an object whose mass is 7kg.
Chapter 3 Solutions
Understanding Our Universe
Ch. 3.1 - Prob. 3.1CYUCh. 3.2 - Prob. 3.2CYUCh. 3.3 - Prob. 3.3CYUCh. 3.4 - Prob. 3.4CYUCh. 3.5 - Prob. 3.5CYUCh. 3 - Prob. 1QAPCh. 3 - Prob. 2QAPCh. 3 - Prob. 3QAPCh. 3 - Prob. 4QAPCh. 3 - Prob. 5QAP
Ch. 3 - Prob. 6QAPCh. 3 - Prob. 7QAPCh. 3 - Prob. 8QAPCh. 3 - Prob. 9QAPCh. 3 - Prob. 10QAPCh. 3 - Prob. 11QAPCh. 3 - Prob. 12QAPCh. 3 - Prob. 13QAPCh. 3 - Prob. 14QAPCh. 3 - Prob. 15QAPCh. 3 - Prob. 16QAPCh. 3 - Prob. 17QAPCh. 3 - Prob. 18QAPCh. 3 - Prob. 19QAPCh. 3 - Prob. 20QAPCh. 3 - Prob. 21QAPCh. 3 - Prob. 22QAPCh. 3 - Prob. 23QAPCh. 3 - Prob. 24QAPCh. 3 - Prob. 25QAPCh. 3 - Prob. 26QAPCh. 3 - Prob. 27QAPCh. 3 - Prob. 28QAPCh. 3 - Prob. 29QAPCh. 3 - Prob. 30QAPCh. 3 - Prob. 31QAPCh. 3 - Prob. 32QAPCh. 3 - Prob. 33QAPCh. 3 - Prob. 34QAPCh. 3 - Prob. 35QAPCh. 3 - Prob. 36QAPCh. 3 - Prob. 37QAPCh. 3 - Prob. 38QAPCh. 3 - Prob. 39QAPCh. 3 - Prob. 40QAPCh. 3 - Prob. 41QAPCh. 3 - Prob. 42QAPCh. 3 - Prob. 43QAPCh. 3 - Prob. 44QAPCh. 3 - Prob. 45QAP
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- Calculate the values of g at Earth’s surface for the following changes in Earth’s properties: (a) its mass is doubled and its radius is halved; (b) its mass density is doubled and its radius is unchanged; (c) its mass density is halved and its mass is unchanged.arrow_forwardWhat is the semimajor axis of a circle of diameter 24 cm? What is its eccentricity?arrow_forwardIf a planet with 1.5 times the mass of Earth was traveling in Earth’s orbit, what would its period be?arrow_forward
- Evaluate the magnitude of gravitational force between two 5-kg spherical steel balls separated by a center-to-center distance of 15 cm.arrow_forwardWhy is the period of an open orbit undefined?arrow_forwardEarth’s day has increased by 0.002 s in the last century. If this increase in Earth’s period is constant, how long will it take for Earth to come to rest?arrow_forward
- Arrange the following motions in order of increasing velocity: orbit of Earth around the Sun; an orbit around Earth near Earths surface; an object just barely escaping Earth; orbit of the Moon around Earth; orbit of a geosynchronous satellitearrow_forwardIf the orbital distance to a planet doubles, its period will be: a. Half b. Larger, but less than double c. less than half d. More than double e. Doublearrow_forwardA newly discovered planet has four times the mass of the Earth, but a person’s weight on the new planet's surface is the same as the person’s weight on the Earth's surface. What is the radius of the new planet in terms of the radius R of Eartharrow_forward
- At their closest approach, Venus and earth are 4.20x 10^10m apart. The mass of Venus is 4.87x 10^24kg, the mass of earth is 5.97x 10^24 kg and G=6.67x10^-11N m^2/kg2. What is the magnitude of the gravitational force exerted by Venus on earth at that point?arrow_forwardIf two planets have the same radius and one has a greater density (and hence a greater mass) than the other, then compared to the first planet the more massive planet a. a greater surface gravity b.the same surface gravity c. less surface gravity d. more information on the details of the planets are needed to answer this questionarrow_forwardCalculate the acceleration of gravity on the surface of each of the following worlds.(a) Mars (mass = 0.11MEarth, radius = 0.53REarth).(b) Venus (mass = 0.82MEarth, radius = 0.95REarth). This is an ungraded example from lecture.arrow_forward
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