Depending on the size, mass and density of the object, the gravitational force it exerts varies. r And the dimensional formula of Acceleration due to Gravity is [ML 0 T-2]. Find the acceleration of gravity on the surface of this planet. [Latex: v=gt], How long (in seconds) does it take an object to fall distance d? Uranus/Orbital period Get weekly and/or daily updates delivered to your inbox. The magnitude of this force is what we know as the weight of the object. Calculate the acceleration due to gravity at the surface of Jupiter. All in all, gravity runs the gamut here in the solar system, ranging from 0.38 g on Mercury and Mars to a powerful 2.528 g atop Jupiter's clouds. Constant m is the mass of the planet and r is the radius of the planet. G = 6.673 \times 10^{-11}\ m^3/(kg.s^2), radius of planet y = 2439700\ m, mass of planet y = 3.302 \time, Determine the value for the acceleration due to gravity at the surface of the planet Mars, given the following data: Mass of Mars = 6 .42 x 10^{23} kg Radius of Mars = 3.37 x 10^6 m, Calculate the gravitational field strength, g, on the surface of Jupiter. Why was the decision Roe v. Wade important for feminists? Calculate the orbital period of Uranus (in yr) from knowledge of G, the mass of the sun (M = 1.99 x 1030 kg), and the orbital radius of Uranus of 1.92 x 101 A.U. The general rule is that acceleration decreases with height: higher objects have less acceleration. If you weighed 100 lbs on Earth you would weigh in at 90.7 lbs on Venus. You can't really blame us. gravitational force of 9.8m/s2. How long does pain last after brain surgery? Mutation is the ultimate source of genetic variation, "We found a central part of Valles Marineris to, On June 2, 2020, just two days after Foster', How many ants are in the world? \\ b) how much would a 72.5 kg person weigh on this plane. This is because Uranus is made up of gases and is not solid like Earth. In 2033, the planet will have made its third complete orbit around the Sun since being discovered in 1781. Is gravity an acceleration? What is the gravity on Uranus in Newtons? The acceleration due to gravity is g. b. These cookies track visitors across websites and collect information to provide customized ads. [Latex: v=sqrt{2gd}], What has been the average velocity of an object that has been falling for t seconds? Substituting r = R+h in the gravity formula, we get. Although Uranus is much larger than Earth, its surface gravity is less than the surface gravity on Earth. If the magnitude of the gravitational acceleration on the surface of the planet is 6.1 m/s^2, what is the radius of the planet. If the mass of Uranus is {eq}8.681 \times 10^{25} {/eq} kg and the radius of Uranus is {eq}2.556 \times 10^7 {/eq} m, what is the acceleration due to gravity on Uranus? All rights reserved. The acceleration due to gravity on the surface of the moon can be found using the formula: g = r 2 G M g = 1 7 4 0 0 0 0 0 ( 6 . Given: Mass of the Sun = 1.99 * 10^{30} \ kg ,Mass of the Earth = 5.98 * 10^{24} \ kg , Radius of the Sun = 6.96 * 10^8 \ m , Radius of. {\displaystyle \mathbf {g} } There is no gravitational acceleration, in that the proper acceleration and hence four-acceleration of objects in free fall are zero. What is the acceleration due to gravity on the planet in terms of g, the acceleration due to gravity on Earth? To calculate gravitational acceleration, the mass of both the satellite and the object are multiplied together, and that number is divided by the satellite's height. g All bodies accelerate in vacuum at the same rate, regardless of the masses or compositions of the bodies;[1] the measurement and analysis of these rates is known as gravimetry. 2 Estimate the acceleration due to gravity on the planet. Hence g=0 at the center of the earth. In physics, gravitational acceleration is the acceleration of an object in free fall within a vacuum (and thus without experiencing drag). A -13.3 cm Saturn Observational Parameters Discoverer: Unknown Discovery Date: Prehistoric Distance from Earth Minimum (10 6 km) 1205.5 Maximum (10 6 km) 1658.6 Apparent diameter from Earth Maximum (seconds of arc) 19.9 Minimum (seconds of arc) 14.5 Mean values at opposition from Earth Distance from Earth (10 6 km) 1277.13 Apparent diameter (seconds of arc) 18.8 Apparent visual magnitude 0.7 Maximum . The numerical value for the acceleration of gravity is most accurately known as 9.8 m/s/s. Version 31 - Answer Key Physics 220 - Final Exam - Summer 2014 Page 2 of 20 2. To find the weight on Planets, we divide the weight on earth by the earth's force of gravity, which is 9.81m/s 2. Calculate the acceleration due to gravity on the moon. The gravitational acceleration on a planet's surface is 16.00 m/s^2. A ball is dropped from Uranus from a height of 6.2 meters. If you could stand on the surface of Uranus (you can't, for so many reasons), you would experience 89% the force of gravity that you experience on Earth. The gravitational acceleration vector depends only on how massive the field source (b) What is the ratio of a person's weight on Saturn to that on Earth? The table below shows comparative gravitational accelerations at the surface of the Sun, the Earth's moon, each of the planets in the Solar System and their major moons, Ceres, Pluto, and Eris. NOT HELPFULL!!! Uranus took shape when the rest of the solar system formed about 4.5 billion years ago - when gravity pulled swirling gas and dust in to become this ice giant. Acceleration due to gravity Thus, the value of g on the Earth is g=9.8m/s 2. . If a planet has 3 times the radius of the Earth but has the same density as the Earth, what is the gravitational acceleration at the surface of the planet? Gravity on Uranus is only about 90 percent that of Earth; if you weigh 100 lbs. {/eq} kg. To use this online calculator for Dimensionless Specific Speed, enter Working Speed (Nturbine), Power Of Hydroelectric Plant (Phy), Water Density (Water), Acceleration Due To Gravity (g) & Height Of Fall Of Water (Hf) and hit the calculate button. Answer: On the surface of the moon, the distance to the center of mass is the same as the radius: r = 1.74 x 10 6 m = 1 740 000 m. The acceleration due to gravity on the surface of the moon can be found using the formula: g = 1.620 m/s 2. For a geostationaryg, or three percent of the gravity we feel right now. The mass of Uranus exists: 8.681 10kg, The radius of Uranus exists: 15,759.2 miles. By clicking Accept All, you consent to the use of ALL the cookies. A mass m suspended by a wire of length L is a simple pendulum and undergoes simple harmonic motion for amplitudes less than about 15. The mass of Jupiter is 19000 x 10^23 kg. The mass of Uranus is 8.68 ? How is the acceleration of a planet related to its size? 85 kg / m 3, 3911. and In Einstein's theory, masses distort spacetime in their vicinity, and other particles move in trajectories determined by the geometry of spacetime. Pluto has a mass of 1.30*10^{22} kg and a radius of 1.18*10^6 m (a) What is the acceleration due to gravity on Pluto? An object rests on the surface of planet y. {\displaystyle r} Does it seem a little strange to you that an planet like Uranus, with the 14 times the mass of Earth, would pull at you with less gravity if you could stand on its surface? The value of g, however, does vary for each planet, star, moon, or other large body based on its size and mass. Compared to the Earth of 9.780327 m/s² or 0.99732 g. If you weighed 100lb on Earth you would probably weigh about Because over here, gravity is in meters cubed per kilogram second squared. Acceleration due to gravity is not the same on all planets. On this Wikipedia the language links are at the top of the page across from the article title. If the average kinetic energy of the molecules in an ideal gas initially at 36C doubles, what is the final temperature of the gas. Equation: b. How far has an object fallen after t . (b) How much would a 54.3-kg person weigh on this planet. The acceleration due to gravity also follows the unit of . {R.AM for phosphorus is 31} *, A container of gas has a pressure of 745 mm Hg and room temperature is 18 C. How does the temperature of the system change when the pressure is change The radius of Uranus is about 2.33 \times a. Venus has a mass of 4.86 x 10^{24} kg and a radius of 6.05 x 10^6 m. What is the acceleration due to gravity on Venus? You can specify conditions of storing and accessing cookies in your browser, This table shows the acceleration due to gravity on four different planets what planet is a person standing on if the person has a mass of 85.0 kg and weighs 305 N mercury is 3.59 Venus 8.87 Earth 9.81 mars 3.77, What is the mass of 3.01x 1022 molecules of phosphorus, P4 ? The cookie is used to store the user consent for the cookies in the category "Other. a) Compute the acceleration due to gravity on the surface of Venus from the above data. Mean Radius (km) 24624. m (mass relative to Earth) 17.147. r (mean radius relative to Earth) {\displaystyle m_{1}} 4 1 0 2 2 ) The radius of the Venus is 0.950 of the Earth's radius. . Like its neighbor Neptune, Uranus likely formed closer to the Sun and moved to the outer solar system about 4 billion years ago, where it is the seventh planet from the Sun. Calculate the acceleration due to gravity on Uranus. Because of this, Mars has 0.38 times the gravity of Earth, which works out to 3.711 m/s2. It is assumed that the falling object in question has negligible mass. IS a uniform linear acceleration. Answer: The value of acceleration due to gravity on the moon is 1.625 m/s 2. Calculate the free-fall acceleration on the Venus surface. This cookie is set by GDPR Cookie Consent plugin. arrow_forward. When discussing the acceleration of gravity, it was mentioned that the value of g is dependent upon location. (A) if the ball is thrown at an angle . m Uranus: 8.7 x 10 25: 2.6 x 10 7 : Neptune: 1.0 x 10 26: 2.5 x 10 7 : Pluto: 1.3 x 10 22: 1.2 x 10 6 : Once you complete the third column, you can see how strong (or weak) gravity is on other planets. With a mean radius of 25,360 km and a mass of 8.68 1025 kg, Uranus is approximately 4 times the size of Earth and 14.536 times as massive. (b) How much would a 5.89 kg person weigh on this planet? Equation: The mass of Mars is 6.418*10^23kg and its radius is 3.38*10^6 m. What is the acceleration due to gravity (a) on the surface of the moon? . In physics, gravity (from Latin gravitas 'weight') is a fundamental interaction which causes mutual attraction between all things with mass or energy [clarification needed].Gravity is, by far, the weakest of the four fundamental interactions, approximately 10 38 times weaker than the strong interaction, 10 36 times weaker than the electromagnetic force and 10 29 times weaker than the weak . Thank you for taking time to provide your feedback to the editors. g = 6.67 10 11 6 10 24 ( 6.4 10 6) 2. The radius of Uranus is 2.56 \times 10^7 m. a. The distance between them is 450*10^{10} m. A planet has a mass of 5.43x10^23kg and a radius of 3.06x10^6m. {eq}r [The acceleration due to gravity on Uranus is 88.9% of that on Earth, gUranus = (0.889)g.] This site allows you to perform various gravity calculations based on Isaac Newton's law of universal gravitation. Hence, it is no surprise why the gravity on Venus is very close to that of Earth's 8.87 m/s2, or 0.904 g. This is one astronomical body where human beings have been able to test out the affects of diminished gravity in person. ). Calculate the force of Earth's gravity on a spacecraft 12,800 km (2 Earth radii) above the Earth's surface if its mass is 1,050 kg. It also has a mean radius of 3,389.5 km, which works out to 0.532 Earth radii. The surface gravity on Uranus is about 86% of the surface gravity on Earth, so if you weigh 100 pounds on Earth, you would weigh 86 pounds on Uranus (assuming you could find someplace to, well, stand). We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. 1 Air track; Gravimetry; Gravity of Earth; Gravitation of the Moon; Gravity of Mars What is the gravitational acceleration on a planet where a 2.0 kg mass has a weight of 16 N on the planet's surface? The mass of Uranus is 8.62 10 25 kg. This acceleration is termed as the acceleration due to gravity. Here, g is the acceleration due to gravity, h is the height and r is the radius of the Earth. The surface gravity, g, of an astronomical object is the gravitational acceleration experienced at its surface at the equator, including the effects of rotation. All of this works out to a surface gravity of 11.15 m/s2 (or 1.14 g), which again is measured at Neptune's cloud tops. We have shown that the value of g on the Moon is 1/6th that of Earth, so an object on the Moon weighs only 1/6th as much as it would on Earth. Please select the most appropriate category to facilitate processing of your request. Express your answer in g's (i.e. Calculate the acceleration due to gravity on the moon. The surface gravity of . The mass of Saturn is 5680 x 1023 kg. googletag.cmd.push(function() { googletag.display('div-gpt-ad-1449240174198-2'); }); Basically, gravity is dependent on mass, where all things from stars, planets, and galaxies to light and sub-atomic particles are attracted to one another. {\displaystyle G} In summary, the gravitational pull of Uranus on its moon Titania is 10 times greater than the gravitational pull of Earth on her moon. Substitute 2 x 106 m for h, 9.8 ms-2 for g and 6.4 x 106 m for r in the above expression to calculate gh. In the coming decades, knowing how to simulate it will come in handy when we start sending astronauts on deep space missions. Can you use the same microSD card on a new Switch? A planet has a mass of 7.74 times 10^{23} kg and a radius of 2.53 times 10^6 m. What is the acceleration due to gravity on this planet? With a mean radius of 4.6023108 km2, a mass of 4.86751024 kg, and a density of 5.243 g/cm3, Venus is equivalent in size to 0.9499 Earths, 0.815 times as massive, and roughly 0.95 times as dense. Acceleration due to gravity exists as the acceleration gained by an object due to gravitational force.. Its SI unit exists m/s2. Hence, the acceleration due to the gravity of the body at height h is 7.35 ms-2. On Earth, falling objects experience an acceleration of 9.8 m/s 2 due to Earth's gravitational force, and that is defined as 1 g. The easiest way to discuss the gravitational force on other planets is to express it as a fraction of Earth's g-force . Mass (kg) 1.0243E+26. Planetary Fact Sheet Ratio to Earth Values. (b) How much would a 77.7 \ kg person weigh on this planet? Similarly, the Gravity Recovery and Interior Laboratory mission from 2011-2012 consisted of two probes ("Ebb" and "Flow") in polar orbit around the Moon to more precisely determine the gravitational field for future navigational purposes, and to infer information about the Moon's physical makeup. A newly discovered planet has a mass 1.5 times that of the Earth and a radius 2.0 times that of the Earth. . Any experimental value in the region of 10 m/s 2 is a reasonable one. Our experts can answer your tough homework and study questions. Question: Calculate the acceleration due to gravity on Uranus. Uranus is an ice giant (instead of a gas giant). The formula to find a planet's acceleration due to gravity (g) is as follows: g = GM r2 where G is the gravitational constant, M is the mass of the planet, and r is the planet's radius. The surface gravity, g, of an astronomical or other object is the gravitational acceleration experienced at its surface. Being that it takes the weight of an object on earth and converts it to the weight on Planets, the formula is Weight on Planets= (Weight on Earth/9.81m/s2) * gravitational force of the planet. Click here to sign in with Venus has a slightly lower gravity than Earth with a pull of 8.87 m/s2. Another way to look . Calculate the force of gravity on a 1-kg mass at Earth's surface. The Gravity Recovery and Climate Experiment (GRACE) mission launched in 2002 consists of two probes, nicknamed "Tom" and "Jerry", in polar orbit around the Earth measuring differences in the distance between the two probes in order to more precisely determine the gravitational field around the Earth, and to track changes that occur over time. M Answer (1 of 5): The gravity of Uranus and Venus is 8.87 m/s^2. (b) How much would a 79.2-kg person weigh on this planet? (b) Calculate the acceleration due to gravity at Neptune due to Uranus, presently about apart, and compare it with that due to Pluto. Calculate the gravit. (b) on the surface of Mars? {/eq}. For Uranus (mass =14.5 Earths, radius = 25400km) the acceleration due to gravity is 9.0ms2. (b) How much would a 5.54 kg person weigh on this, A 81 kg explorer lands on Planet X, where the gravitational acceleration is 10.5 m/s^2. I hope you can help me with this problem thank you. However, its radius is also much larger than Earth's (about 8.1 times that of Earth). However, for those who have gone into space or set foot on the Moon, gravity is a very tenuous and precious thing. For general feedback, use the public comments section below (please adhere to guidelines). It contains both magnitude and direction. (. The moon's radius is about 1.74 \times 10^6\ m and its mass is 7.35 \times 10^{22}\ kg. A mass of 6 5 kg has a weight of 20N on a certain planet calculate the acceleration due to gravity on this planet? 84years {/eq}, The radius of Uranus, {eq}R=2.33\times 10^{7}\;\rm m Equation: What is the acceleration due to gravity on Pluto? A soccer ball is moving at a speed of 3.00 m/s when he throws a pass to a player 19.0 m straight downfield. If you weighed 100lb on Earth you would weigh about 88.9lb on Uranus. Earth's acceleration due to gravity is 9.81 m/s^2. a=g= Acceleration due to gravity. The radius of Earth is 6.4 10 6 m. Substituting the values in the formula we get-. Calculate the orbital period of Uranus (in yr) from the knowledge of G, the mass of the sun (M = 1.99 \times 10^{30} kg), and the orbital radius of Uranus of 1.92 \times 10^1A.U. Medical research advances and health news, The latest engineering, electronics and technology advances, The most comprehensive sci-tech news coverage on the web. Uranus's gravity is 8.7m/s2, which is less than Earth's The gravitational acceleratio, If the mass of a planet is 0.571 times that of the Earth and its radius is 0.787 times that of the Earth, estimate the gravitational field g at the surface of the planet. Mars has a mass of 6.42*10^23 kg and a radius of 3.40*10^6m. Air resistance is neglected. This is the force generated by the pull of . Uranus is more . When the dimensions of a body are not trivial compared to the distances of interest, the principle of superposition can be used for differential masses for an assumed density distribution throughout the body in order to get a more detailed model of the "near-field" gravitational acceleration. The acceleration due to gravity on planet Uranus is 8.82m/s. How is the gravity of a planet related to its size? Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. The gravity of different planets is a function of planetary mass, radius and density. When the depth d = 0, the value of g on the surface of the earth g d = g. When the depth d = R, the value of g at the centre of the earth g d = 0. part may be reproduced without the written permission. (b) How does it compare to Earth's acceleration due to gravity? Calculate the force of Earth's gravity on a spacecraft 2.00 Earth radii above the Earth's surface if its mass is 1850 kg. Locations of significant variation from this value are known as gravity anomalies. Calculate the acceleration due to gravity on Uranus. b How much would a 79.4 kg person weigh on this planet? Thus, for every second an object is in free fall, its speed increases by about 9.8 metres per second. At a fixed point on the surface, the magnitude of Earth's gravity results from combined effect of gravitation and the centrifugal force from Earth's rotation. The earliest existence on earth might have been just as purple as its miles green nowadays, a scientist claims. You can express acceleration by standard acceleration, due to gravity near the surface of the Earth, which is defined as g = 31.17405 ft/s = 9.80665 m/s. Universe Today. The acceleration due to gravity of Uranus at its "surface" is about 8.69 m/s2. the center of the Earth So, acceleration due to gravity is zero at the center of the Earth. Step 1: Identify the mass and radius of the planet. Calculate the gravitational force between the Sun and Jupiter. Earth is expected to be 4.54 billion years old, plus or minus about 50 million years. A 16 kg satellite has a circular orbit with a period of 2.6 h and a radius of 9.4 times 106 m around a planet of unknown mass. Gravity on Uranus. [/caption] The values in the table have not been de-rated for the centrifugal force effect of planet rotation (and cloud-top wind speeds for the gas giants) and therefore, generally speaking, are similar to the actual gravity that would be experienced near the poles. All told, it is 3.86 times the size of Earth and 17 times as massive. b) What is the weight o, If a planet has 3 times the radius of the Earth but has twice the density as the Earth, what is the gravitational acceleration at the surface of the planet? b. So for the moon, acceleration due to gravity is going to be 6.673 times ten to the minus eleven multiplied by the mass of the moon, 7.35 times ten to the twenty-two . The acceleration due to gravity of a planet is the ratio of the product of the Universal Gravitational constant and mass of the planet to the square of their radius. Since we now know the acceleration due to gravity on different worlds, we can easily determine how much an object weighs on those bodies. This means that Earth's gravity is about 13% larger than Uranus's gravity. Calculate the average radius of Uranus. Compute the gravitational force between the sun (M=1.99x10^30 kg) and the planet Mercury (m=5.50x10^-2 times the mass of the earth, orbital radius r= 0.387 A.U.). Note that the gravity is the acceleration toward the center of the planet.Gravitational acceleration . Calculate the acceleration due to gravity at Neptune due to Uranus when they are 2.50 \times 1. Use this form if you have come across a typo, inaccuracy or would like to send an edit request for the content on this page. [Latex: t=sqrt {2d/g}], What is the velocity of an object that has traveled d meters? The smallest period is when the acceleration due to gravity (g) is the largest. There is no gravitational acceleration, in that the proper acceleration and hence four-acceleration of objects in free fall are zero. Calculate the force of gravity on a spacecraft 32000 km (5 earth radii) above the Earth's surface if its mass is 1800 kg. If youd like more info on Uranus, check out Hubblesites News Releases about Uranus. Welcome! What is the gravitational force exerted on Uranus by Neptune, at closest approach? The mass of the moon is 7.35 times 10^22 kg and the radius of the moon is 1.74 times 10^6. No. Acceleration due to gravity is the instantaneous change in downward velocity ( acceleration) caused by the force of gravity toward the center of mass. , A concave mirror has a focal length of 8.0 cm. What is the acceleration due to gravity on Mercury? Structure On Earth, an object during free fall is accelerated by the gravitational force acting on it. The radius of the planet is 7.91 times 10^7 m. What is her weight on this planet in Newtons? How far has an object fallen after t seconds? Calculate the acceleration due to gravity at Neptune due to Pluto when they are 4.50 \times 10^{12}\ m apart. Calculate the force of gravity on a spacecraft 19,200 km (3 earth radii) above the Earth's surface if its mass is 1600 kg. Do you need underlay for laminate flooring on concrete? The radius of Uranus is about {eq}2.33 \times 10^7 object which increases due to the gravitational pull of the {\displaystyle m} We also use third-party cookies that help us analyze and understand how you use this website. Calculate the gravitational force between the Sun and Neptune. {\displaystyle M} A candle is located at a distance of 5.0 cm from the mirror. (g = 9.8 m/s^2), Determine the acceleration due to gravity on a planet that has half of mass of the Earth and a radius that is 1/3 the times of Earth's radius. For example, if you say that an elevator is moving upwards with the acceleration of 0.2g , it means that it accelerates with about 6.2 ft/s or 2 m/s (i.e., 0.2 g ). What is are the functions of diverse organisms? 107 m. in m/s2. Neither your address nor the recipient's address will be used for any other purpose. The surface gravity on Uranus is about 86% of the surface gravity on Earth, so if you weigh 100 pounds on Earth, you would weigh 86 pounds on Uranus (assuming you could find someplace to, well, stand). Calculate the image distance. Rather than undergoing an acceleration, objects in free fall travel along straight lines (geodesics) on the curved spacetime. Accl'n due to gravity is positive when an object is moving down can be expressed as: Here Calculate the acceleration due to gravity on Uranus. The gravitational field intensity at a height of 150 km above the surface of Uranus is 8.71 N/kg. The distances between planets and between the planets and the Sun are (by many orders of magnitude) larger than the sizes of the sun and the planets. It appears on the limb at the 11 o'clock position The force exerted by the earth on an object is called the gravitational force (F). Using the integral form of Gauss's Law, this formula can be extended to any pair of objects of which one is far more massive than the other like a planet relative to any man-scale artifact. 9.0 ), If one mass is much larger than the other, it is convenient to take it as observational reference and define it as source of a gravitational field of magnitude and orientation given by:[5]. So if you could stand on the surface of the planet you cant, dont try you would have a difficult time noticing the lower gravity of Uranus. How many kilocalories of heat does an expenditure of 477 kJ produce? The acceleration due to gravity is positive wherever you care to define a "surface" of Jupiter, and 0 at the center, so there must be a net decrease over that distance. And of course, knowing just how strong it is on other planets will be essential to manned missions (and perhaps even settlement) there. (A light year . is and on the distance 'r' to the sample mass Apart from any fair dealing for the purpose of private study or research, no . 9.8 m/s 2. This cookie is set by GDPR Cookie Consent plugin. Newton's law of universal gravitation states that there is a gravitational force between any two masses that is equal in magnitude for each mass, and is aligned to draw the two masses toward each other. g=Gr2M. The mass is important, but it all depends on how closely that mass is held together. Teaching Notes. The mass of a certain planet is six times the mass of the earth and the diameter of the planet is twice the diameter of the earth. 65 . What's more, being a gas giant, Jupiter does not have a true surface. Although Uranus is much larger than Earth, its surface gravity is less than the surface gravity on Earth. a) What is the acceleration due to gravity on this planet? Venus has radius 6.05 x 10^6 m and mass 4.87 x 10^{24} kg. Its density, meanwhile, is about 0.71 of Earths, coming in at a relatively modest 3.93 g/cm3. What is causing the plague in Thebes and how can it be fixed? a. In the first equation above, g is referred to as the acceleration of gravity. Then it is the same as 89 kg / m 3, 2192. You multiply that times the mass of the Earth, which is in kilograms. Thus, Uranus's gravity is somewhat weaker than Earth's.Uranus' gravity compared to earth is 89% of what you would expreience on Earth. The mass of the Sun is 1.99*10^{30} kg. Understanding the effect of zero-gravity on the human body has been essential to space travel, especially where long-duration missions in orbit and to the International Space Station have been concerned. A planet has a mass of 6.15, 1023 kg and a radius of 3.25, 106 m. a What is the acceleration due to gravity on this planet? Just clear tips and lifehacks for every day.