school of engineering
posted by khabat .
police officer in a patrol car parked in a70km/h observes a passing auto mobile travelling at a slow constant speed believing that of the automobile might be intoxicated the officer starts his car accelerate uniformly to 9km/h in 8s.and maintaining a constant velocity of 90km/h overtakes the motorists 42s after the automobile passed him knowing that 18s clapsed before the officer hegan pursuing motorists determine,1.the distance the officer traveled before overtaking.2.the motorists speed
school of engineering -
distance=1/2 a *8^2 + speed(T-8-18)
change a, and speed to m/s