First of all, thanks for your reply.
About the right pulley, it has mass m, just as the right box.. So that dosn't count as a variable! :-)
How does the two tensions work?
Homework Statement
We have a system which look like this:
http://img535.imageshack.us/img535/9153/16234612.jpg
The two boxes is connected by a wire without mass. The big box on the left has the mass 2m, the small box on the right has mass m.
The right pulley has radius r has mass m...
... Thanks a lot!
I guess you guys know the feeling. A lot of time spend on outrageous thoughts, afterwards finding the solution is way simpler.
I actually had your solution to Kuruman, checked for input (40deg and 10m). It gave complex numbers and I tried another approach. Ofcourse it...
Homework Statement
I've made a picture of the situation:
http://img11.imageshack.us/img11/7177/drawing1m.jpg
I need to find the expression for the start velocity v0. The ball should exactly hit the corner.
The function should have the distance L (Which both is x-distance and...