Recent content by chewtoy929

1. Relativity, how it affects observation.

1= 65m from astronaut, 39 observer 2= 7.447818 astronaut, 8.6 observer 3= 75 kg astronaut, ~113 kg observer
2. Relativity, how it affects observation.

I'm having a bit of trouble understanding relativity, and would like some help with the following problems: 1. A spaceship passes a stationary observer at a speed that is 80% the speed of light. At rest, this ship is 65m long. What does the observer say about the length of the spaceship? How...
3. Missed class need some help again

how can I calculate the distance something is above the earth? as an example a 1750 kg satellite orbits the earth. it has a gravitational potential energy of 1.69*10^10 J. Its free fall accel is 6.44 m/s^2 how high is it. How would I solve this? thanks.
4. Missed class need some help

thanks dude I owe you one, if there is anything you need, just pm me.
5. Missed class need some help

I need the equation for Newtons to Joules. as an example the question is you must exert a force of 4.5 N on a book to slide it across the table, if you do 2.7 J of work in the process, how far have you moved the book. I am not looking for an answer just an equation to show how to do this, thanks
6. Decreasing numbers equation

no im not it was an expression, but I don't understand the answer to the question in the first place, I think I can figure it out though, thanks.
7. Decreasing numbers equation

explain like I am 10
8. Decreasing numbers equation

if you where to take something like a sugar cube stack it into a tower 6 cubes high than on each of the 4 sides stack sugar cubes in a decreasing amount so there are 6 cubes in the middle and 5 surrounding it on the four sides , then 4 surrounding that then 3, and so on. What I need is an...