- #1
UrbanXrisis
- 1,196
- 1
stumped -- work done by rotating mass
the question is http://home.earthlink.net/~urban-xrisis/clip_image002.jpg
I got the answers to questions (A) and (B) but I can't get (C)
My work is shown http://home.earthlink.net/~urban-xrisis/clip001.jpg
the books gives me an answer of [tex]W=0.5mv_i^2(r_i^2/r^2-1)[/tex]
any help on where I went wrong?
the question is http://home.earthlink.net/~urban-xrisis/clip_image002.jpg
I got the answers to questions (A) and (B) but I can't get (C)
My work is shown http://home.earthlink.net/~urban-xrisis/clip001.jpg
the books gives me an answer of [tex]W=0.5mv_i^2(r_i^2/r^2-1)[/tex]
any help on where I went wrong?
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