If the speed of a bicycle is reduced to half before skidding to a stop, it will skid
A)one-eighth as far.
B)one-fourth as far.
C)one-half as far.
D)none of the above

Question

Quizplus · Accepted Answer

The distance skidded is proportional to the square of the velocity. If the velocity is reduced to half, the distance skidded will be reduced to one-fourth (0.5 squared), hence the correct option is B.

If the Speed of a Bicycle Is Reduced to Half