Hey, just starting my new physics course this semester and to start we are revie

Question

Hey, just starting my new physics course this semester and to start we are reviewing some older material from the first physics course (I'm in PHY 213 and the 1st one was 211). I haven't taken a physics course in 2 years (since the first time I took it was very discouraging...) so I'm needing a bit of help with a problem or two. Here it is:

a) If a mass of 2kg is attached to a string of length 1m and pulled back to the angle shown (30 degrees from straight down), what velocity will the mass have at the "bottom" of its swing?

b) What will the period of its oscillations be?

Explanation / Answer

are you going to Penn State Behrend? These are the same physics course numbers I took

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