Recent content by reformedman

it's been 30 years since college and I was just browsing the net when I found that familiar problem. I seem to recall something about 2 pi related to rads somehow. I'm not really pressed for the solution, was just wondering. Glad I found this forum though, looking around a bit.

Homework Statement A record player rotates normally at a rate of 18 rev/m. It takes 70 seconds for it to slow down to a stop when you turn it off. Homework Equations Calculate the magnitude of its angular acceleration. The Attempt at a Solution answer key says the correct answer should be...