An aircraft landing on an aircrafts carrier is brought to a complete stop from an initial of 215km/h in 2.7 seconds. What is its acceleration in m/s2?
Vo = 215km/h = 215,000m/3600s.=59.72 m/s
V = Vo + a*t = 0.
Vo + a*t = 0
Solve for a; it should be negative.