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i have no idea how to start this, my initial thougts were to plug things into kinematic equasions to get the acceleration but i really dont know. i know tangental acceleration is the derivative of the velocity equasion, but i just dont know how to get the velocity equasion. do i plug numbers into the formula "vf= vi + at" ?

if so, then what would my acceleration be in that formula? if not, what other formula can i use?

thanks for the help.

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# Homework Help: Need help with non-uniform circular motion question

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