# Search results

1. ### Time dilation

I honestly don't know. Everything I was given I put in the problem word for word. But it's ok anyways, I took my final today and this problem wasn't on there, but it is kind of annoying that I can't figure it out.
2. ### I have a few questions, this one is special relativity.

So i tried the formula you gave me (i was using the same one i thought but i got 50, i dont know what happen) and got an answer of 5.03. i dont understand your last part, the 20/gamma. since the 20 years elapsed, i'm dividing it by gamma= 5.03 and then do i add that to the astronauts original...
3. ### Time dilation

Homework Statement spaceship 3 meters wide, v= 2c/3. (a.) calculate ships time, (b) sq. root factor, (c) earth's time, (d) ships displacement, (e) lights displacement, and (f) which clock "runs slow" Homework Equations a. Ts=(3m)/c b. square root 1-v^2/c^2 c. earth's time = answer a/b...
4. ### Capacitor dealing with exponential forms, please email me or IM so i know you replied

I tried using that formula but what do I insert for V? I put in 2 seconds and it didnt work, i tried working backwards, that didnt work either....what am i doing wrong?
5. ### I have a few questions, this one is special relativity.

sorry i dont know how to use latex!
6. ### I have a few questions, this one is special relativity.

i edited it chroot, is that better?
7. ### Capacitor dealing with exponential forms, please email me or IM so i know you replied

1. A capacitor where C=1X10^-5 F and R= 1X10^6, there's 1000 electrons on the plate at t=0. How would I find the number of protons after 2 seconds? 2. half life= .7Tm, mean life=RC [b]3. I put the R and C values in to get the mean life and got an answer of 7 seconds, and than to...
8. ### I have a few questions, this one is special relativity.

1. On his 25th birthday, the astronaut twin leaves on a long space journey at an average speed of v/c= 0.98. He returns after 20 earth-years have elapsed, to celebrate his earth-twin's 45th birthday. Compare their biological ages. 2. 1/ square root 1- v^2/c^2, My teacher is using v/c...