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January 30, 2015

January 30, 2015

Posted by **hunny** on Sunday, December 16, 2012 at 1:56pm.

- maths --plse help me.. -
**Steve**, Sunday, December 16, 2012 at 3:24pms = rθ, so

a = 1/2 r^2 θ = 1/2 * 49 * (6.2/7) = 21.7

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