Recent content by dboy

I didn't receive my booklet back, but it looks like I did ok on that part, seeing as i kinda remember most of my answers. Did super good on the multiple choice section, shooting for a 4 or 5. What do you think you got?

This is a centripetal force question. You can use the following equations: F = ma a = v^2/r KE is at a max at the bottom of the swing, PE is at a max at the starting point. so mgh = (1/2)mv^2. You can calculate the height, but you need the length of the rope to figure that out. I...