All Questions
Tagged with relative-motion orbital-motion
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Pseudo Orbital motion only due to Coriolis force
Planet, say of mass M and radius R is rotating with some angular velocity ω and a object of mass m (initially on the surface and rotating with the planet) was launched with velocity v vertically ...
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With what vel. would you have to launch an object vertically up from the earth's surface for it to land back again at it's initial launching point?
[Can skip reading this part] First of all, Newtonian gravity shall be considered whilst trying to solve this question. It's been on my mind for a long, long time and has been bothering me since. I ...
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Why does hot air balloon rotate with the earth?
This might be a silly question but I have been wondering this for quite a while.
When a hot air balloon is flying in the sky, the earth is rotating at the speed of 1000 mph. Why does it move along ...
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How does one interpret the relative motion of an object in orbit as it compares to to the object it is orbiting?
How does one interpret the relative motion of an object in orbit as it compares to to the object it is orbiting?
In flat spacetime, it's pretty easy to determine relative motion. If Alice sees Bob as ...
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A problem Understanding how a two-body system of planets starts rotating around barycentre
Consider,We are Creating a Two-body system in free space,Where no other mass exists,Let's Take First Mass M1 and hold it,Now bring Second Mass M2,hold it up,Now we are giving a suddenly impulse To M1 ...
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Relative speed of Geostationary satellite with respect to Earth?
I was wondering whether relative speed of geostationary satellite with respect to earth is zero or not. Since angular velocity of satellite about earth is same as angular speed of earth about its own ...
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If motion is relative, can we say that the Earth doesn't revolve around the Sun? [duplicate]
Considering motion to be relative, consider these two cases as follows
An observer is standing on the sun and observing the earth and the earth has no background (no stars and stuff in the background)...
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How does the orbital motion of reduced mass tell us how the individual planets/stars move?
To give context to my question, here is Kepler's first Law restated in terms of reduced mass. Here, $\vec{r}$ is the position vector of the reduced mass whose origin lies at the centre of mass of the ...
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Relative speed of satellites in different orbits [closed]
The question is
"The Hubble Space Telescope is in orbit around the Earth at a height of 560km above the Earth’s surface. Take the radius and mass of the Earth to be 6.4×10^ 6m and 6.0×10^24 kg, ...
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Does Relativity make a difference on whether Earth revolves around the Sun or not?
According to the theory of relativity there is no ultimate preferred frame of reference in our universe. It means that whenever there is motion between object A and object B, whether it is considered ...
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If I use the Earth as my point of reference on a model, would it be valid if I said that the Sun orbits the Earth? (in my model)
What the title says.
If I create a model, and I use the Earth as my point of reference, is it valid to say that the Sun orbits the Earth inside my model? Or is claiming that invalid?
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Motion of one body with reference to another
I studied that Galileo was punished by the church for teaching that the sun is stationary and the earth moves around it. His opponents held the view that earth is stationary and sun moves around it.
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Revolution of Earth [duplicate]
If all motion is relative, how do we know that the Earth revolves around the sun?
Or we are just making the above statement from the frame of reference in which Sun is at the origin?
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Earth's movement around the Sun
My question is - because of sun's movement around the milky way, Earth never reaches at the same point where it started from. Then how can we say that it circles around the sun in 365 1/4th days.
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Why do we launch rockets during the day?
The clips that I have seen of rockets launching all seem to be carried out during daytime. However, we learnt at school that rockets are fired closer to the equator and towards the east to take ...