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Celestial Mechanics
Page 4
Questions (226)
The moon is receding from the Earth by approximately 3.8 cm per year. Earth's mass is 5.98 x 10^24 kg, and its radius is 6.38 x
1 answer
asked by
Michelle
896 views
A 17.0-kg satellite has a circular orbit with a period of 2.31 h and a radius of 9.10×106 m around a planet of unknown mass. If
4 answers
asked by
Sam
867 views
A planet has a single moon that is solely influenced by the gravitational interaction between the two bodies. We will assume
2 answers
asked by
Anonymous
590 views
physica tow satellites are in orbit around a planet . satalite s1 takes 20 days to orbit the planet at a distance of 2x10 to the
3 answers
asked by
Anonymous
794 views
An astronaut is traveling in a space vehicle moving at 0.520c relative to the Earth. The astronaut measures her pulse rate at
1 answer
asked by
sara
798 views
the earth (mass=5.98x10^24kg) rotates around the sun in a orbit that is approximately circular, with a radius of 1.5x10^11m
find
2 answers
asked by
peter
787 views
A 7410-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called
1 answer
asked by
Anonymous
753 views
Two neutron stars are separated by a distance of 10^14 m. They each have a mass of 10^30 kg and a radius of 10^5 m. They are
2 answers
asked by
kristen
712 views
The earth orbits the sun once a year (3.16 multiplied by 10^7 s) in a nearly circular orbit radius 1.50 multiplied by 10^11 m.
3 answers
asked by
nick
732 views
"If a small planet were located 8 times as far as the Earth's distance from the Sun, what would be its period in Earth years?"
2 answers
asked by
Stuck
693 views
Two equal-mass stars orbit their centre of mass. The distance between the stars (measured from the centre of mass of each) is 1
3 answers
asked by
Jim
720 views
Some communication satellites are put into a circular geosynchronous orbit in which the satellite remains above a certain
2 answers
asked by
J
713 views
Two satellites, A and B, are in different circular orbits about the earth. The orbital speed of satellite A is eighty-two times
1 answer
asked by
Steve
688 views
Consider a spaceship located on the Earth-Moon center line (i.e. a line that intersects the centers of both bodies) such that,
5 answers
asked by
Lindsay
681 views
the earthis moving around the sun in a circular orbit of radius 1.5*10^11. it makes one revolution per year.find the angular
2 answers
asked by
mo
688 views
How fast does a rocket need to be going to break free of Earth's gravity? How fast would it have to be going in order to
2 answers
asked by
Kaitlyn
677 views
A planet has two satellite moons. Moon X has an orbital period of 2.13 days. Moon Y has an orbital period of about 3.53 days.
3 answers
asked by
Angelina
671 views
What would be the path of the Moon if somehow all gravitational forces on it vanished to zero?
Please help; need an original
4 answers
asked by
Chris
662 views
What two facts did Newton need to be able to calculate the acceleration of the Moon?
A) the distance to the Moon and the diameter
1 answer
asked by
Sue
673 views
A 21.0-kg satellite has a circular orbit with a period of 2.37 h and a radius of 8.50×106 m around a planet of unknown mass. If
1 answer
asked by
winterWX
665 views
The average radius r in meters of a planet's path around the sun is given by the formula r=[(3.35 x 10^18)t^2]^1/3, where t is
3 answers
asked by
Mandy
642 views
with what orbital speed will a satellite circle Jupiter if placed at a height of 7.80 * 10 ^ 6 m above the surface of the
1 answer
asked by
lisa
632 views
Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon. Assume the orbit to be
1 answer
asked by
carlton
637 views
The space shuttle is in a 3e+5 m high orbit over the earth. The radius of the earth is 6.37e+6 m, the mass of the earth is
2 answers
asked by
Carly
598 views
Does the period of a satellite in a circular orbit increase or decrease as its distance from earth increases?
Thanks :)
2 answers
asked by
kath
587 views
A geostationary satellite orbits the Earth in such a manner that it is always directly above the same point on the equator as
2 answers
asked by
Joe
597 views
Consider the earth following its nearly circular orbit (dashed curve) about the sun.(Figure 2) The earth has mass
2 answers
asked by
Anonymous
563 views
The orbital period of the moon about the earth is approximately 27.3 days. given that the average earth-moon distance is 384,000
2 answers
asked by
max
567 views
If a space probe were sent into orbit around the sun that brought it as close as 0.5 AU to the sun and as far away as 5.5 AU,
3 answers
asked by
Lindsay
555 views
Given that Earth orbits the Sun with a semimajor axis of 1.000 AU and an approximate orbital period of 365.24 days, determine
3 answers
asked by
joy
575 views
The Sun exerts a gravitational force of 3.56 x 10^22 N on Earth. The mass of the Sun is 2.0 x 10^30 kg. The mass of the Earth is
2 answers
asked by
Boberto
554 views
At a height of 500km above earth, a satellite will orbit the earth once every 95 minutes. Find the mass of the earth based on
2 answers
asked by
Matt
553 views
Identify a significant idea from the Scientific Revolution. (1 point)
• Newton's laws of motion. The forces acting on an object
1 answer
asked anonymously
60 views
So this is the problem:
A comet is in an elliptical orbit around our Sun. At its point of closest approach, it is moving at
2 answers
asked by
Crystal
542 views
A spacecraft is in orbit close to the moon's surface. The centripetal acceleration is 1.6 m/s^2. If the radius of the moon is
2 answers
asked by
Claire
558 views
A satellite orbits the moon at height of 2000m.assuming it to gravitational pull of the moon,find the speed and time it takes
2 answers
asked by
Hellen
520 views
A planet A of mass m is in a circular orbit of radius "a" around a star ( M_star >> m ). Another planet B with the same mass m
2 answers
asked by
ashok
521 views
Your spacecraft is in a circular, geostationary orbit around earth and you would like to fly to the moon. Draw a suitable
2 answers
asked by
ronny
524 views
A satellite is placed in orbit 2.75 x 105 m above the surface of Jupiter. Jupiter has a mass of 1.90 x 1027 kg and a radius of
2 answers
asked by
heather
537 views
Derive an expression for escape speed of satellite.
2 answers
asked by
Abidur
531 views
A satellite has a mass of 6090 kg and is in a circular orbit 4.63 × 105 m above the surface of a planet. The period of the
1 answer
asked by
Tim
506 views
An object of mass m orbits a star with mass M , where M >> m . In general the bound or bits are elliptical, which means the
2 answers
asked by
Ho
507 views
I studied the equation of time recently and understand the Earths keplerian orbit is responsible for it. I understand the
6 answers
asked by
Mike
498 views
The period of a satellite is the primary way that the mass of planets is determined. The equation used for this calculation uses
1 answer
asked by
ck
487 views
I need help finding an equation for:
an asteroid revolves around the sun with a mean orbital radius twice that of Earth's.
1 answer
asked by
annie
507 views
A new geosynchronous satellite needs an orbit of 35.7 km . The mass of the Earth is 5.97x 10^24 Kg and the radius of Earth 6.4 x
2 answers
asked by
Boberto
480 views
I have a drawing of a satellite orbiting the sun in an elliptical shape. The sun is closer to the right side of the ellipse.
As
2 answers
asked by
Hannah
461 views
Your spacecraft is in a circular, geostationary orbit around earth and you would like to fly to the moon. Draw a suitable
1 answer
asked by
john
486 views
The saros cycle
1 answer
asked by
Terrance
438 views
A satellite of mass m is in Keplerian orbit around a parent body of mass M >>m. The satellite has total energy E and angular
1 answer
asked by
Carole
455 views
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Parent Categories (12)
Astronomy
Astrophysics
Classical mechanics
Conservation of Energy and Angular Momentum
Earth Science
Laws
Mechanics
Physics
Physics and Astronomy
Planetary Science
Relativity
Space Science