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what is radius and diameter in third grade math

so T=2.25 secs/rev because that's the period for one revolution. then use v=(2*pi*r)/ T to find v Pi=3.14 r=radius 2.25/2=1.125 T=2.25 so v=3.14 then use your found v to find omega (w) v(sub)t=r*w so rearrange v(sub)t to get w w=r*v(sub)t w=1.125/3.14=0.3...