The figure for this question shows a 4.0-cm-wideplastic film being wrapped onto
ID: 1721698 • Letter: T
Question
The figure for this question shows a 4.0-cm-wideplastic film being wrapped onto a 2.0-cm-diameter roller that turnsat 100 rpm. The plastic has a uniformsurface charge density -1.6nC/cm2. How do i do this problem, i tried but i keep getting itwrong... The figure for this question shows a 4.0-cm-wideplastic film being wrapped onto a 2.0-cm-diameter roller that turnsat 100 rpm. The plastic has a uniformsurface charge density -1.6nC/cm2. How do i do this problem, i tried but i keep getting itwrong...Explanation / Answer
what does the question ask for? magnetic field?