Physics (AS & A Level) · Feb / March 2022 · Paper 12 · Question 6

A sprinter takes a time of 11.0 s to run a 100 m race. She first accelerates uniformly from rest, reaching a speed of 10 m s–1. She then runs at a constant speed of 10 m s–1 until the finish line. What is the uniform acceleration of the sprinter for the first part of the race?

1. A0.5 m s–2
2. B0.91 m s–2
3. C1.7 m s–2
4. D5.0 m s–2

As printed in the paper