Suzie (of mass 42 kg) is roller-blading down the sidewalk going 12 miles per hour. She
notices a group of workers down the walkway
who have unexpectedly blocked her path, and
she makes a quick stop in 2.4 seconds.
What is Suzie’s average acceleration?
Answer in units of m/s^2.
What force was exerted to stop Suzie?
Answer in units of N.