Tagged Questions
-2
votes
0answers
33 views
calculate distance in feet using time interval from iphone camera [duplicate]
i am working on iPhone application to achiever the below functionality.
i want the distance in feet between Two Points from the below information.
i am standing at one position with iPhone (Camera ...
2
votes
1answer
163 views
Need help with the position of a particle in a velocity-versus-time graph
I am having trouble with a velocity-versus-time graph. I recently took a Physics test that asked this question: The graph shows the velocity versus time for a particle moving along the $x$ axis. The ...
5
votes
8answers
514 views
Can you completely explain acceleration to me?
I understand what acceleration is, and I know the formula, and I understand it's a vector.
I just don't understand how the equation works exactly. I'm kind of picky, I know, but bear with me.
...
3
votes
1answer
319 views
How do I find the initial velocity in this problem?
An X-ray tube gives electrons constant acceleration over a distance of $20\text{ cm}$. If their final speed is $2.0\times 10^7\text{ m/s}$, what are the electrons' acceleration?
I know this ...
