Answer
300 J
Work Step by Step
Change in KE = work done
$$(100 N – 70 N)(10 m) = (30 N)(10 m) = 300 J$$
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.