- #1
hale2bopp
- 21
- 0
There is a spherical lead ball with a spherical cavity. It is heated. The size of the cavity increases. Why does it do so?
Also, does it matter what happens to the cavity if it is not present at the centre, but rather a little removed from the centre? Will it remain spherical?
Also, does it matter what happens to the cavity if it is not present at the centre, but rather a little removed from the centre? Will it remain spherical?