Engineering, 26.06.2020 16:01 jessecabrown1
1. 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
a constant acceleration of 1.96 m/s². 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
decelerates at 3.05 m/s². (Hint: The police will not go against the law.)
a) Find the total time required for the police car to overtake the automobile.
(12 marks)
b) Find the total distance travelled by the police car while overtaking the
automobile.
(2 marks)
c) Find the speed of the police car at the time it overtakes the automobile.
(2 marks)
d) Find the speed of the automobile at the time it was overtaken by the police car.
(2 marks)
Answers: 2
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The characteristic roots of a dynamic system are: 1.7920 1.8160 i, -1.7920 1.8160 i, -0.4160 what is the order of this system? what are the settling time and damping ratio of the system?
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Engineering, 04.07.2019 19:10
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1. An automobile travels along a straight road at 15.65 m/s through a 11.18 m/s
speed zone. A polic...
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