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school of engineering

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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

    T=42 sec

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