The track of a roller coaster is shown below. At which point will the riders experience centripetal acceleration?
w
x
y
z

Centripetal acceleration is applied in circular motion. Y is the point on the track that most closely resembles a circular path for the roller coaster.
The path that corresponds to circular path is point Y, at this point, the rider experiences centripetal acceleration.
Centripetal force is radial acceleration on an object moving in a circular path.
[tex]a_c = \frac{v^2}{r}[/tex]
where;
Thus, in the given diagram, the path that corresponds to circular path is point Y, at this point, the rider experiences centripetal acceleration.
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