This is a preliminary version of the Mars Project - to think about the time it takes tocomplete a Mars mission. Consider the following simplified Earth to Mars transfer:• Departs Earth• Enter Mars orbit• Orbit Mars orbit for some time•Exit Mars orbit to return• Enter Earth orbita. What is the flight time, in days, from Earth to Mars? What is the return flight time?[Answer: 258.83 days]b. Where does Mars need to be (outbound) to reach it at the end of the Hohmanntransfer (tip: 180° "later").[Answer: 44.329°]c. To return to Earth with a Hohmann transfer, the opposite will need to be true:Earth must be at a specific angle at the time of departure from Mars for thespacecraft to reach Earth's orbit when Earth is there. What is that angle?[Answer: -75.097°]d. When is the first opportunity to return to Earth for that optimal Hohmann transfer?[Answer: 454.70 days]e. What is the total round trip time to Mars for this ideal Hohmann transfer?

Answered: Image /qna-images/answer/fea78cf2-444a-4a9f-b184-477dbe2217c3.jpg

Answered: This is a preliminary version of the…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter7: Gravity

Section: Chapter Questions

Problem 14PQ: Since 1995, hundreds of extrasolar planets have been discovered. There is the exciting possibility...

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If we send astronauts to Mars, there will be a time delay anytime we send or receive messages to them here on Earth. Given that Mars is an average of 54.6 million km away from Earth, how long is this time delay for a 2-way 'round-trip' communication - sent to Earth, then back to Mars? (this might be important in emergency situations) answer choices a)About 4 minutes. b)About 30 seconds. c)About 10 seconds. d)About 6 minutes.
NASA's analysis of meteorites and dust accumulated in the Earth's ice sheets, as well as of dust and sand particles collected from the space shuttle heat shields, suggest that which of the following amounts (to the closest order of magnitude) of Mars-derived space debris come to Earth each year? Select one: a. grams/year O b. kilos/year Oc. 10's of kilos/year O d. metric tonnes/year O e. None of the other options are correct.
1.The Curiosity Rover has recently landed on Mars and likes to send Twitter updates on its progress. If a tweet is posted 13 minutes after it was sent, how far is Curiosity from Earth? (Assume there is no network lag.)______________ m 2.You've entered the Great Space Race. Your engines are hearty enough to keep you in second place. While racing, the person in front of you begins to have engine troubles and turns on his emergency lights that emit at a frequency of 5.720 1014 Hz. If the person in front of you is traveling 2692 km/s faster than you when he turns on his lights, what is the frequency of the emergency lights that you observe when it reaches you in your spaceship? (Enter your answer to four significant figures.) ___________Hz
The gravity on Mars is about 38% that of Earth's gravity. Let's say some cargo has a mass of 15 kg here on Earth. First, what would be the weight of that cargo in kilograms on Mars? Explain your answer. Second, what would be the mass of that cargo in kilograms on Mars? Explain your answer.
Congratulations! You just derived a version of Kepler's Third Law for Mars! Using the mass of Mars in kilograms and converting the 4.5 hours to seconds, calculate the distance from the center of the planet. GM kg 4π² ]s)² 3 = And then determine the distance (in km) from the surface. r = rm + rs rs km = km
on Mars: Before leaving the surface of the planet aboard the shuttle, it is useful for astronauts to estimate the escape velocity. What does escape velocity mean? Calculate the escape velocity for the shuttle (mass of 6500 kg). Show your steps.
Explain the differences between the Grand Canyon on Earth and Valles Marineris on Mars.
Why does Mercury have lobate scarps but Earth, Venus, and Mars do not’
You are a rover pilot on the crew of the initial exploration team sent to Kepler 22b,the first extrasolar planet discovered within the habitable zone of a sun-like star. Thescience team recently discovered liquid water on the surface. (Hurrah!) Your rover isat point A on the shore of a circular lake with radius 4 km collecting samples. Thescience team wants to send your rover to a point C diametrically opposite A. Therover can drive around the circumference of the lake at a rate of 4 km per hour andfly over the lake at a rate of 3 km per hour.(a) How long will it take the rover to fly across the lake?(b) How long will it take the rover to drive around the shore of the lake?You could also fly at an angle θ along a chord inside the circular lake, andcomplete the rest of the path driving along the circumference of the lake.(c) Find the length of the chord in terms of θ. How long will it take the drone totraverse the chord?(d) Find the length of the remaining shoreline after the cord in…
While working on Mars, you find an unlabeled liquid in the laboratory. When you combine the liquid with water in a 1-liter [L] container, the liquid floats on top of the water. Which of the following could be mystery liquid? The acceleration due to gravity on Mars is 3.71 meters per second squared [m/s2]. Select ALL possible answers below. A. Specific Gravity=0.9 B. Density=1.5 slugs per cubic foot [slug/ft3] C. Density=850 kilograms per cubic meter [kg/m3] D. Density=10 pound-mass per gallon [lbm/gal] E. Specific Weight=850 newtons per cubic meter [N/m3] F. Specific Gravity=1.9 G. Specific Weight=10 pound-force per gallon [lbf /gal]
For which of the following reasons (select all that apply), is it useful/important to send rovers to other planetary bodies in our solar system? O a. The engineering innovations developed to produce successful/viable rovers and landers on other planets can help lead to developments in the technology used here on Earth that may have taken far more time to develop without the limitations provided by space travel to foreign worlds. O b. The data collected can help improve our understanding of the evolution/development of our solar system. O. Rovers/landers can be outfitted with various tools and equipment that can be used to inform of us of the geological histories of each of the planets they visit. O d. More direct probes of the planetary surface are possible to detect signs of the building blocks of life. O e. Rock samples can be used to calibrate our estimations of the age of the solar system.
Far into the future scientists are exploring a new planetary system in hopes of finding an Earth-like planet. In this system they find a planet with five moons, and they decide to study these moons in order to learn more about the planet. Here's what they find: • Moon A orbits the planet once every 2.3 days in a circular orbit with a radius of 7.87x107m. • Moon B has a highly elliptical orbit with an average orbital radius of 1.56x108m that takes 6.4 days. • Moon C has a speed of 1550 m/s in its circular orbit of radius 2.03x108 m. • Moon D has an orbital period of 10.9 days with an average orbital radius of 2.23x108 m. • And Moon E seems to get four times further than Moon B does at their furthest point from the planet. Scientists observed that half its orbit took 25.6 days. Use this data to make a linear plot such that you can use the slope of the line to find the mass of the planet. You may plot quantities such as distances, speeds, or periods, or any powers of those quantities, and…

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