Physics forces sliding a block on an inclined plane, I can't for the life of me figure out what I'm doing wrong on this problem (picture below).

Question

anonymous · Answer

This is a screenshot of my problem with my attempted answer that's incorrect. I"ve checked my work like 20 times and I can't see any mistakes:

loser66 · Answer

can you show your work?

loser66 · Answer

I got 7.3

anonymous · Answer

having technical difficulties, im working on posting my work

anonymous · Answer

Ok here it is

loser66 · Answer

I am sorry friend, I don't check yours since we use different system. My prof taught me calculate base on the coordinate of inclined plane. So, I don't know how to work with yours|dw:1380248264783:dw|