so I know this isn't the place for stuff like this but I literally have nowhere else to ask for help. I need someone to talk to that can handle serious subjects. Stuff that would need trigger warnings put on them. If you are someone who is over the age of 12 and will actually listen. please.

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the dependent variable in galileo's experiment?