Which of the Following Requires the Most Work Done by the Brakes

Multiple Choice

Which of the following requires the most work done by the brakes of a car?

A) slowing down from $80 \mathrm{~m} / \mathrm{s}$ to $55 \mathrm{~m} / \mathrm{s}$
B) stopping from $55 \mathrm{~m} / \mathrm{s}$
C) equal amounts of work for both