All Questions
Tagged with gravity kinematics
8
questions with no upvoted or accepted answers
2
votes
0
answers
380
views
How to model an accelerometer measurements on a car wheel?
I am working on kinematically modelling an accelerometer on a car wheel.
When working on the initial conditions, I am confused whether or not I should use the gravitational acceleration since there ...
- 21
1
vote
0
answers
33
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Difference between geodesics on surfaces and paths under gravitiational fields
Sorry for the maybe silly question, but I'm a math student and I'm not able to find the answer to this question from the physics point of view.
Let us suppose that a ball is set in a non equilibrium ...
- 111
1
vote
1
answer
13k
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Position / velocity / acceleration vs time graphs when falling towards a black hole
In Newtonian physics, as far as I understand it, for a small object falling towards a massive object, the graphs of position, speed and acceleration vs time look like this:
(If the massive object is ...
- 355
0
votes
1
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86
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An object falling from very far would have varying acceleration, how can that be accounted for?
I want to have a function that describes where a falling object is.
Like this one:
h(t) = -g*t²/2
But this one is for the usual close to the surface case, where there is no variation of gravity due to ...
- 101
0
votes
1
answer
162
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Gravitational field of a moving object
Here's a simple scenario:
Let's say, that there are 2 stationary planetoids of equal mass on the Earth's orbital motion path, placed at equal distances from Earth just like on the image below:
Will ...
0
votes
1
answer
26
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Finding the continuous increase in speed while diving toward the ground
https://youtu.be/HJO6WuoytGA?t=39s
In this game, the character jumps from the top of the Empire State Building (443.2m), and in a fraction of a second, he breaks Mach 1 just by releasing a great deal ...
- 1
0
votes
0
answers
33
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In Which Position A Co-passanger should Sit On A Turning Bike
Pardon me for this very basic mechanical science question. But I just want to clear my doubt it. Whenever I sit a behind someone on a bike I get confused when the the bike has to take a sharp turn.
I ...
- 215
-1
votes
2
answers
97
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Distance an object has fallen given time
I am in Honors Physics, and need help understanding this:
The acceleration of Earth's gravity is 9.8 $m/s^2$, so when an object starts from rest, 9.8 $= x/t^2$, where $x$ is distance the object will ...
- 101