Answer
6.742 in
Work Step by Step
We are given: $l=\frac{V}{cd^2}$, $c=0.785$, $d=2.98$, $V=47$.
$l=\frac{47}{0.785*2.98^2}=6.742$ inches
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.