A bicyclist moves around a circular track at a constant [or unchanging] speed. The bicyclist has
A) non- zero velocity but zero acceleration.
B) zero velocity and zero acceleration (in other words, no acceleration).
C) non- zero velocity and non- zero acceleration.
D) zero velocity but non- zero acceleration.
E) the heebie- jeebies.

Question

Quizplus · Accepted Answer

The bicyclist has a non-zero velocity because they are moving, and a non-zero acceleration because the direction of the velocity is constantly changing as they move around the circular track, which constitutes centripetal acceleration.

A Bicyclist Moves Around a Circular Track at a Constant