Question

The speed of an automobile going to north is reduced from 45mi/hr to 30mi/hr in a distance of 264 ft. Find (a) the magnitude and direction of the acceleration assuming is to be constant; (b) the elapsed time; and brought to rest from 30mi/hr, assuming the acceleration part(a)

Answer 1

Explanation:

The speed of an automobile going to north is reduced from 45mi/hr to 30mi/hr in a distance of 264 ft. Find (a) the magnitude and direction of the acceleration assuming is to be constant; (b) the elapsed time; and brought to rest from 30mi/hr, assuming the acceleration part(a)