Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 4, Problem 2CLC
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The weight of an astronaut on Mars, if their mass and weight on Earth are
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The moon has a mass of 7.34 × 10 22 kg and a radius of 1.74 × 106 meters. If you have a mass of 66 kg, how strong is the force between you and the moon?
The moon has a mass of 7.34 x 1022 kg and a radius of 1.74x106 m. If you have a mass of 66 kg, how strong is the force between you and the moon?
A 4.4 kg mass weighs 35.64 N on the surfaceof a planet similar to Earth. The radius ofthis planet is roughly 6 × 10^6 m.Calculate the mass of of this planet. Thevalue of the universal gravitational constantis 6.67259 × 10^−11 N · m^2/kg^2.Answer in units of kg.
Calculate the average density of this planet.Answer in units of kg/m^3.
Chapter 4 Solutions
Universe
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- A person has a weight of 153N on the surface of planet earth. If they weigh 259 N on the surface of another planet, what is the radius of that planet in meters? The planet has a mass of 8.478 x 1023kg.arrow_forwardYou may attempt this question 3 more times for credit. In this problem, we will directly calculate the surface gravity and your weight on another planet. In metric, your weight is measured in "Newtons", and 1 Newton = 1 kg m / s². Newton's constant G = 6.67 x 10-11 m³/(kg s²). Earth has a mass = 5.97 x 1024 kg and a radius of 6378 km. You should be able to verify that g = 9.8 m/s² on Earth using the formula for surface gravity. If your mass is 64 kg, you should also be able to verify you should weigh 626 Newtons. If you can do that you should be OK for what's next. The mass of Venus is 4.87E+24 kg, and it's radius is 6.05E+3 km. What is the surface gravity of this planet? (Watch your units!). m/s² If your mass is 64 kg, what would you weigh on Venus? Newtons. Note: Remember if your answer requires scientific notation to use the "e" notation: "1.1 x 105" is "1.1e5" to OWL.arrow_forwardWhat is the gravity of Mars, if the mass of the planet is 6.39x1023kg and the radius of the planet is 3397.2 km? What problems would there be on a mission to Mars?arrow_forward
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