Earth's orbital velocity is about 29 km/s and that maintains its nearly circular orbit. Suppose we...
Earth's orbital velocity is about 29 km/s and that maintains its nearly circular orbit. Suppose we had a spacecraft following Earth in its orbit, and we applied a rocket to speed it to 35 km/s. Assume the thrust is entirely in the plane of the orbit, so the spacecraft stays in the same plane as Earth's orbit. What happens?
Homework Answers
Since the spacecraft's velocity is greater than the earth's orbital velocity it leaves the earth's gravitational field and goes off into interplanetary space.
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Earth's orbital velocity is about 29 km/s and that maintains its nearly circular orbit. Suppose we...
A spacecraft is in circular orbit 200 km above Earth's surface. What minimum velocity kick must...
A spacecraft is in circular orbit 200 km above Earth's surface. What minimum velocity kick must be applied to let the spacccraft cscapc from Earth's influcncc? What is the spacecraft's escape trajectory with respect to Earth?
What is the orbital speed of a satelite in a circular orbit at 8, 129 kilometers...
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The semimajor axis of Mars orbit is about 1.52 astronomical units (au), where an au is the Earth's average distance from the Sun, meaning the semimajor axis of Earth's orbit is 1 au. To go from Earth to Mars and use the least energy from rocket fuel, th
The semimajor axis of Mars orbit is about 1.52 astronomical units (au), where an au is the Earth's average distance from the Sun, meaning the semimajor axis of Earth's orbit is 1 au. To go from Earth to Mars and use the least energy from rocket fuel, the orbit has a semimajor axis of 1.26 au and an eccentricity of about 0.21. Starting at Earth's orbit, to follow this path we give the spacecraft an orbital velocity of 40 km/s. ...
An asteroid is discovered in a nearly circular orbit around the Sun, with an orbital radius...
An asteroid is discovered in a nearly circular orbit around the Sun, with an orbital radius that is 2.49 times Earth's. What is the asteroid's orbital period T, its "year," in terms of Earth years? ears
What is the orbital period for a circular orbit at 2100 km above the Earth's surface?...
What is the orbital period for a circular orbit at 2100 km above the Earth's surface? You may assume that the mass of the Earth is about 5.97x1024 kg and that the radius of the Earth is about 6371 km. 129 min O 128 min 125 min 138 min 131 min
QUESTION 17 The International Space Station which presently has mass of about 420,000 kilograms, maintains an orbit wit...
QUESTION 17 The International Space Station which presently has mass of about 420,000 kilograms, maintains an orbit with an altitude of between 330 and 435 kilometers (205 and 270 miles respectively) above the Earth surface by means of re-boost maneuvers using the engines of the Zvezda module or visiting spacecraft to compensate for 2 km/month orbital decay due to the atmospheric drag. Calculate the following for the low orbit of the ISS (330 kilometers above the Earth surface), assuming that...
A spacecraft with mass 1500 kg is in a circular orbit at an altitude 200 km...
A spacecraft with mass 1500 kg is in a circular orbit at an altitude 200 km above the surface of Earth. A) Use the Law of Universal Gravitation and Newton's 2nd law for circular motion to derive and find the speed of the spacecraft in this orbit. B) How much mechanical energy does the spacecraft have in this orbit? C) How much work must the spacecraft engines perform to get it into the above circular orbit from the surface of...
Exercise 3.28 The radius of the earth's orbit around the sun (assumed to be circular) is...
Exercise 3.28 The radius of the earth's orbit around the sun (assumed to be circular) is 1.50 x 10° km, and the earth travels around this orbit in 365 days. Part A What is the magnitude of the orbital velocity of the earth in m/s? - Part B What is the radial acceleration of the earth toward the sun? Part What is the magnitude of the orbital velocity of the planet Mercury radius 5.79 x 10 km orbital period =...
Suppose that you have a planet in a circular orbit about a star with the mass of the Sun. The orbital speed is 141 km/s....
Suppose that you have a planet in a circular orbit about a star with the mass of the Sun. The orbital speed is 141 km/s. If you could increase the planet’s speed, what speed would you need to make it to escape the gravitational pull of its parent star?
2. Support the space shuttle is in orbit about the earth at 400 km above its...
2. Support the space shuttle is in orbit about the earth at 400 km above its surface. Determine the orbital speed and the orbital period of the space shuttle. 3.calculate the minimum velocity (escape speed) a spacecraft must have to escape the gravitational force of the planet earth. Mearth=5.972 x 10^24kg 4. Calculate the schwarzschild radius of a black hole with the mass of the sun.Mearth=5.972 x 10^24kg
A spacecraft is in circular orbit 200 km above Earth's surface. What minimum velocity kick must be applied to let the spacccraft cscapc from Earth's influcncc? What is the spacecraft's escape trajectory with respect to Earth?
What is the orbital speed of a satelite in a circular orbit at 8, 129 kilometers above the Earth surface? Express your answer in km/s and round it to two decimals. Earth's mean radius is RE = 6.37 x100 m; Earth's mass is ME = 5.97x104kg. A What is the orbital period of a satelite in a circular orbit at 5,384 kilometers above the Earth surface? Express your answer in minutes (enter "min" for minutes) and round it to the...
An asteroid is discovered in a nearly circular orbit around the Sun, with an orbital radius that is 2.49 times Earth's. What is the asteroid's orbital period T, its "year," in terms of Earth years? ears
What is the orbital period for a circular orbit at 2100 km above the Earth's surface? You may assume that the mass of the Earth is about 5.97x1024 kg and that the radius of the Earth is about 6371 km. 129 min O 128 min 125 min 138 min 131 min
QUESTION 17 The International Space Station which presently has mass of about 420,000 kilograms, maintains an orbit with an altitude of between 330 and 435 kilometers (205 and 270 miles respectively) above the Earth surface by means of re-boost maneuvers using the engines of the Zvezda module or visiting spacecraft to compensate for 2 km/month orbital decay due to the atmospheric drag. Calculate the following for the low orbit of the ISS (330 kilometers above the Earth surface), assuming that...
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