Recent content by rysezhae

Hello everyone! I recently watched the new Interstellar movie, and have some questions that I would like answered. Warning: Spolier Alert! My questions will contain spoilers, so if you haven't seen the movie yet, and plan to do so, leave now. Also, if you are going to rant about the movie, do it...

Homework Statement I need to find the initial acceleration of a steel object that weighs .89 kg, that is pulled along a steel a rail by a cord. The cord is at an 45 degree angle and has a tension of 21 N. The friction coefficents(spelled right?) of steel on steel are: .8 for static friction...

Homework Statement I need to find the weight of a person who has mass 71 kg, and is riding an elevator, at different time intervals. The intervals are 1,5, and 9 seconds. I was given a velocity vs time graph, so I'll try to describe as best i can: The graph starts at (0,0), the slope is 4/1...