A sports car moving at constant velocity travels 110m in 5.1s .If it then brakes and comes to a stop in 4.3s , what is the magnitude of its acceleration (assumed constant) in m/s2?

Answer 1

velociy=110/5.1 m/s

acceleration= (0-110/5.1 )/4.3 m/s^2

Answer 2

-5.01