Physics

Problem

Determine the work done to make a hoop out of a steel band of length

\ell

, width

t

, thickness

b

and Young's modulus

Y

. A.

\frac{\pi^2 Y b t^3}{6\ell}

\frac{\pi^2 Y b t^3}{3\ell}

\left(\frac{\pi^2 Y b t^3}{2\ell}\right)

\frac{\pi^2 Y b t^3}{4\ell}