Answer
$3.0KN$
Work Step by Step
We know that
$F_{avg}=\frac{\Delta p}{\Delta t}$
$\implies F_{avg}=\frac{m(v_f-V_i)}{\Delta t}$
We plug in the known values to obtain:
$F_{avg}=\frac{(0.045)(67-0)}{0.0010}$
$F_{avg}=3.0KN$
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.