and the 9.8 m/s?, the probable speed of the car, just before the brakes were applied would be 2) 79 70 km/h

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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In a police investigation of tyre marks, it was
concluded that a car while in motion along a
straight level road had skidded for a total
disțance of 50m. after the brakes were applied.
If the coefficient of friction between the tyres
and the pavement is estimated as 0.50 and g =
9.8 m/s?, the probable speed of the car, just
before the brakes were applied would be
f 45 km/h
3) 62.5 km/h
2
2) 79.70 km/h
4) .98 km/h
Transcribed Image Text:In a police investigation of tyre marks, it was concluded that a car while in motion along a straight level road had skidded for a total disțance of 50m. after the brakes were applied. If the coefficient of friction between the tyres and the pavement is estimated as 0.50 and g = 9.8 m/s?, the probable speed of the car, just before the brakes were applied would be f 45 km/h 3) 62.5 km/h 2 2) 79.70 km/h 4) .98 km/h
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