A car is travelling at the speed V, on a straight, levelroad. After the brakes are applied at t=0, the motioncan be approximated byt3t2 + 17t100where x is the distance traveled in meters and t is thetirme in seconds. Which o the following gives thedistance required for the car to stop? A subway train stops at two stations that are 2 kmapart. The max, acceleration and deceleration of thetrain are 2 m/s? and 1.6 m/s2, respectively and themax. allowable speed is 20 m/s. Which of thefollowing gives the shortest possible time of travelbetween two stations?a-t graph:2 m/s?t3t2-1.6 m/s2

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Answered: A car is travelling at the speed V, on…

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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SHOW COMPLETE SOLUTION The position of a particle moving along a straight line is defined by the relation x = t3 – 9t2 + 15t + 18, where x is expressed in meters and t in seconds. Determine the time, position, and acceleration of the particle when its velocity becomes zero.
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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?