Thanks to everyone who is trying to help. I did put a cup of water and a water filled balloon in the freezer just now. They have roughly the same volume of water so I will let interested parties know the results here. (Cup is 2.75" x 1" and the balloon has a circum. of 7.5")
Can I then safely...
My 21' above ground pool in northeast Ohio freezes each winter. There is 52" of water in it now and that is 3" below the wall caps. I usually don't have it this full, but we've had a LOT of rain lately. I was told to drain some water out of it so that the rising ice will not destroy the top...
Having played pool quite a bit in my time, I have learned that you can "throw" the object ball a little bit by putting either left or right spin on the cue ball. The effect is slight, but it can make a difference in a tight shot.
I envision it as happening because the spin of the cue ball at...
The reasons I ask are:
1) I remember reading somewhere that the first person would be able to hold back 100 people pushing against him in this configuration for some reason. But I can't explain to my son why.
2) We were watching "Finding Nemo" and discussing whether the fish all swimming...
If a person is pushing against a wall with his hands and he has a line of people behing him with their hands on the shoulders of the person in front of them pushing, does the force travel all the way to the wall? This is with a steady pushing force, not a sudden impact force. Would it make a...