A car traveling with velocity v is decelerated by a constant acceleration of magnitude a. It travels a distance d before coming to rest. If its initial velocity were doubled, the distance required to stop would
A. double as well.
B. decrease by a factor of two.
C. stay the same.
D. quadruple.
Answer:D
A car traveling with velocity v is decelerated by a constant acceleration of magnitude a. It travels a distance d before coming to rest. If its initial velocity were doubled, the distance required to stop would
A. double as well. B. decrease by a factor of two. C. stay the same. D. quadruple.