Not sure what this has anything to do with physics but in my opinion most do it to teach them a lesson not to do something again others take there anger on their kids e.g if they are drunk and some take pleasure in hitting their kids for no apparent reason.
It is the property of sound that most determines pitch. The generally accepted standard range of audible frequencies for humans is 20 to 20,000 Hz, although the range of frequencies individuals hear is greatly influenced by environmental factors.
The types of meteorites are iron, stone and iron-stony
meteorites. The stony-iron meteorites account for less than 2% of all known
meteorites. They comprised of roughly equal amounts of nickel-iron and stone
and are divided into two groups: pallasites and mesosiderites. The answers are
only B and C
1 is electron 2 is electron cloud 3 is neutron 4 is is proton and 5 is nucleus or the core