Recent content by Kenneth Dirk

So is d then (5.5+0.85)m ?

No. I wrote the w in terms of v. Isn't that correct? Doesn't the pulling force cause the disk to move a distance of 5.5m? So wouldn't the work formula include 5.5m? I am confused. Could you please elaborate.

What is wrong with the equation? Could you please guide me?

Homework Statement A solid uniform disk of mass 21.0 kg and radius 85.0 cm is at rest flat on a frictionless surface A string is wrapped around the rim of the disk and a constant force of 35.0 N is applied to the string. The string does not slip on the rim. 1- When the disk has moved a...

I am trying to solve problem number 4 part A and B from (http://people.physics.tamu.edu/kamon/teaching/phys218/exam/2003C/2003C_Exam3_Solution.pdf) but I am confused about certain aspects of it. In part A, I understand that since we are considering the person as a cylinder, the equation for...