Now our wavelength is getting longer because the waves are stretching out.
This make the lower as well
as the pitch we hear.

1. Frequency
2. Loudness
3. Amplitude

When electrons are added to the outermost shell of a carbon atom, it forms--an anion that has a larger anion that has a smaller cation that has a larger cation that has a smaller radius.

Diverging mirrors and lenses always produce images

Ball bearings are made by letting spherical drops of molten metal fall inside a talll tower-called a shot tower- and solidify as they fall. a-if a bearing needs 4.0 s to solidify enough for impact, how high must the tower be? b- what is the bearing's impact velocity?