Recent content by richman614

thanxs guys thnak you so its like the shuttle cause a centrifugal force which keeps the pen up

im doing a problem were i find the mass of the our galaxy and i found the mass. What the problem is saying is to use the mass found to estimate how many stars are in our galaxy?

i have a concept question that i can't seem to get anybody?? Know?? Lets say you and a friend are wacthing tv and see an astronaut on the space station let go of a pen while he turns to get some paper. What happens to the pen when the astronaugt let's go of it? Your friend says its because...

Please Help With PHYSICS PROBLEM! I need help with a elastic collison problem I've tried and tried but can't seem to find a solution, so i figure i ask the smart kids.. Heres the question 2. Collisions between atomic particles are often perfectly elastic. In one such collision, a proton...