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

question 23

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