Question: Consider the helix given by c(t) = (a cos(t), a sin(t), ct). Show that its acceleration vector is always parallel to the xy-plane.

Consider the helix given by c(t) = (a cos(t), a sin(t), ct). 

Consider the helix given by c(t) = (a cos(t), a sin(t), ct). Show that its acceleration vector is always parallel to the xy-plane.

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