A car traveling with velocity v is decelerated by a constant ...

[ENagel]

A car traveling with velocity v is decelerated by a constant acceleration of magnitude a. It takes a time t to come to rest. If its initial velocity were doubled, the time required to stop would
 
  A) double as well.
  B) decrease by a factor of two.
  C) stay the same.
  D) quadruple.
  E) decrease by a factor of four.

Question 2

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.
  E) decrease by a factor of four.

[kalskdjl1212]

Answer to Question 1

A

Answer to Question 2

D