A police officer in a patrol car parked in a 100 kph speed zone observes a passing automobile travelling at a slow constant speed. Believing that the driver of the automobile might be intoxicated, the officer starts his car, accelerates uniformly from 140 kph in 8 sec. and maintaining a constant velocity of 140 kph, overtakes the motorist 42 sec. after the automobile passed him. Knowing that 8 sec. elapsed before the officer began pursuing the motorist. (a) Determine the acceleration of the officer's car. (b) Determine the distance the officer travelled before overtaking the motorist. (C) Determine the motorist speed.
A police officer in a patrol car parked in a 100 kph speed zone observes a passing automobile travelling at a slow constant speed. Believing that the driver of the automobile might be intoxicated, the officer starts his car, accelerates uniformly from 140 kph in 8 sec. and maintaining a constant velocity of 140 kph, overtakes the motorist 42 sec. after the automobile passed him. Knowing that 8 sec. elapsed before the officer began pursuing the motorist. (a) Determine the acceleration of the officer's car. (b) Determine the distance the officer travelled before overtaking the motorist. (C) Determine the motorist speed.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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.A police officer in a patrol car parked in a 100 kph speed zone observes a passing automobile travelling at a slow constant speed. Believing that the driver of the automobile might be intoxicated, the officer starts his car, accelerates uniformly from 140 kph in 8 sec. and maintaining a constant velocity of 140 kph, overtakes the motorist 42 sec. after the automobile passed him. Knowing that 8 sec. elapsed before the officer began pursuing the motorist. (a) Determine the acceleration of the officer's car. (b) Determine the distance the officer travelled before overtaking the motorist. (C) Determine the motorist speed.
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