Recent content by weasal1975

Calculate change in height? I am working on a ballistic pendulum physics labs. I am trying to find the change in y(height) and bullet velocity. I ran the lab and received the following results: t (at max height (.780) in y= -.984 final y= -789 m(bullet)=.001 m(block)=.05 g=9.81 x in=...

I am working on a lab and I'm not sure how to calculate the work (done by me). I know work = W=(F Cos theta) and Force =F= W/t In the lab I am to walk up a set of stairs and time myself. I did this and got the following: t=8 sec d=6m Mass(me)= 77kg how do I find W? Any pointer is greatly...

Thank you. Would I need to do this for both cars and then subtract?

Homework Statement I have absolutely no idea how to setup the equation for the following homework problem. 2.3-kg cart is rolling across a frictionless, horizontal track toward a 1.5-kg cart held initially at rest. The carts are loaded with strong magnets that cause them to attract one...