Homework Statement
I have a cylinder laid on it's side, a.k.a. a storage tank. I need to track the volume of liquid stored in said tank. I have a 'tank chart' that shows the volume of liquid in the tank for a specific 'depth' measurement. I think the measurements of the tank are wrong (and...
I read that the speed of sound in air at 20 degrees celsius is about 1126 feet per second.
When I shoot my rifle, there is a noticeable crack which I believe to be the 'sonic boom'. I also have 'sub-sonic' ammo that does not cause the CRACK, because the bullet is traveling slower than the...
I guess I don't understand what you are saying, because that doesn't explain why it moves AWAY from the sun before it curves back towards it. Also why doesn't a ball rolling towards (but not in a intersecting path) an object move away before it curves back towards it? Are the animations in the...
While watching a video on youtube about space/time, it explained space/time like a fabric with a ball on it. Rolling another ball past this first ball caused the second ball to curve. I get that part. then they said that Arthur Eddington went to test general relativity by photographing a...
Newbie question here, so sorry if it is silly to those in the know..
If a skydiver reaches his terminal velocity because the drag caused by air at height x, why isn't the gravity at x/2 strong enough to overcome the already reached terminal velocity? It seems to me that a falling object...