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hoodie

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I found the radius of the Earth and rotational velocity at the equator via Wikipedia and plugged them into centripetal acceleration = v^2/r. That's pretty much as far as I got and I'm not even sure if that is right.

I'm having a lot of trouble visualizing this problem. I assume that it has something to do with dividing the tension in the string into components but I can't for the life of me figure out what goes where. Any suggestions?

By the by, I have no idea how to work with radians or frames. Please explain in basic terms.