Question

An automobile travels along a straight road at 15.65 m/s through a 11.18 m/s speed zone. A police car observed the automobile. At the instant that the two vehicles are abreast of each other, the police car starts to pursue the automobile at
2
a constant acceleration of 1.96 m/s . The motorist noticed the police car in his rear
view mirror 12 s after the police car started the pursuit and applied his brakes and
2
decelerates at 3.05 m/s . (Hint: The police will not go against the law.)
a) Find the total time required for the police car to overtake the automobile.

b) Find the total distance travelled by the police car while overtaking the automobile.
c) Findthespeedofthepolicecaratthetimeitovertakestheautomobile.

d) Findthespeedoftheautomobileatthetimeitwasovertakenbythepolicecar.

Answer 1