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A car is travelling at the speed V, on a straight, level road. After the brakes are applied at t=0, the motion can be approximated by t3 t2 +17t 100 where x is the distance traveled in meters and t is the time in seconds. Which o the following gives the distance required for the car to stop?

A car is travelling at the speed V, on a straight, level road. After the brakes are applied at t=0, the motion can be approximated by t3 t2 +17t 100 where x is the distance traveled in meters and t is the time in seconds. Which o the following gives the distance required for the car to stop?

Elements Of Electromagnetics
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 car is travelling at the speed V, on a straight, level road. After the brakes are applied at t=0, the motion can be approximated by t3 t2 + 17t 100 where x is the distance traveled in meters and t is the tirme in seconds. Which o the following gives the distance required for the car to stop?
Transcribed Image Text:A car is travelling at the speed V, on a straight, level road. After the brakes are applied at t=0, the motion can be approximated by t3 t2 + 17t 100 where x is the distance traveled in meters and t is the tirme in seconds. Which o the following gives the distance required for the car to stop?
A subway train stops at two stations that are 2 km apart. The max, acceleration and deceleration of the train are 2 m/s? and 1.6 m/s2, respectively and the max. allowable speed is 20 m/s. Which of the following gives the shortest possible time of travel between two stations? a-t graph: 2 m/s? t3 t2 -1.6 m/s2
Transcribed Image Text:A subway train stops at two stations that are 2 km apart. The max, acceleration and deceleration of the train are 2 m/s? and 1.6 m/s2, respectively and the max. allowable speed is 20 m/s. Which of the following gives the shortest possible time of travel between two stations? a-t graph: 2 m/s? t3 t2 -1.6 m/s2
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