Thinking@TheCulture is a series of questions that we, as tutors feel that are useful in helping students think and improve their understanding.
Thinking Physics@TheCulture is curated by Aaron. More of him can be found here.
Assuming an object is moving in a circular motion in a polar coordinate system given by 
and 
. Can you derive the formula of the centripetal acceleration? Hint: look at one of the axes and think of the direction and what is centripetal acceleration
