Recent content by treyh

An athlete whose mass is 86.5 kg is performing weight-lifting exercises. Starting from the rest position, he lifts, with constant acceleration, a barbell that weighs 470 N. He lifts the barbell a distance of 0.50 m in a time of 2.0 s. I cannot seem to find the answer to this. This is what i...

Hey guys. I need help figuring out how to do this problem. I have a test tomorrow and i am currently studying. I would like to know how they got this answer. I'm completely stumped and need help so thanks in advance! Here is the question: http://img405.imageshack.us/img405/624/physicsv.jpg...

This is the graph and question: http://img193.imageshack.us/img193/3489/physicquestion.jpg I cannot seem to find the instantaneous acceleration. I must be doing it wrong because I'm pretty sure to find the the inst. acceleration all i need to know is the tangent line equation. I've tried...