Recent content by zfire888

Hey everyone, I am currently a senior in a high school with a pretty low reputation academically and behaviorally, but I push myself far beyond our school standards and I create my own. Essentially, I push myself to learn what I want to in the manner that I most desire. College is...

Homework Statement Superman must stop a 120-kmh train 150m to keep it from hitting a stalled car on the tracks. If the train's mass is 3.6 x 10^5 kg, how much force must he exert? Compare to the weight of the train (give as %). How much force does the train exert on Superman?" Homework...