All Questions
9 questions
26
votes
21
answers
5k
views
What happens when a car starts moving? The last moment the car is at rest versus the first moment the car moves
Imagine a car that's at rest and then it starts moving. Consider these two moments:
The last moment the car is at rest.
The first moment the car moves.
The question is: what happens between these 2 ...
- 371
-1
votes
1
answer
110
views
Speed is equal to distance divided by time but is this correct?
In this study https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9784821/, the distance the punch travelled from start to impact is 0.49 meters and the time taken from start of punch (that's it, they define ...
- 364
0
votes
1
answer
99
views
Given a distance, and velocity as a function of time, how do I find the time taken to travel the distance? [closed]
Given the velocity of a particle as a function of time V(t), and a distance between two points on a straight line (from point A to point B), I would like to find the time it will take the particle to ...
- 605
1
vote
3
answers
95
views
What is the rate of change of time wrt velocity of an object?
disclaimer, I'm just an average highschooler so please be a little friendly with the mathematics of your answers but I wondered what would be $dt/dv$?
- 33
1
vote
4
answers
853
views
Why are areas of graph taken with respect to $t$-axis in velocity time graphs?
If the following graph is given then, why is the displacement equal to the area of the shaded triangle above the axis minus the are of the shaded triangle below the $t$ axis.
Why can it not be area of ...
- 49
1
vote
2
answers
2k
views
What is distance multiplied by time?
From grade 6th we have been taught that if we find the area of the velocity-time graph is distance covered or in other words if velocity is constant then distance= velocity* time as velocity = ...
- 21
0
votes
2
answers
246
views
Why are these SUVAT equations true?
\begin{align}
v&=u+at\\
s&=ut+\frac{1}{2}at^2\\
v^2&=u^2+2as\\
s&=\frac{(v+u)t}{2}
\end{align}
I have just started with learning acceleration in school and I don't really understand ...
- 119
0
votes
1
answer
352
views
Acceleration function of position and time
I have an acceleration function in python with position and time parameters and returns the acceleration value.
I need the end velocity at a position ,start velocity is zero.
how to calculate this ...
2
votes
1
answer
3k
views
Integrating an acceleration time graph gives you?
If I have a graph of Acceleration against time. Can I integrate this curve in order to find velocity and displacement?