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hardygirl989
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Homework Statement
A carpenter's square has the shape of an L, where d1 = 19.0 cm, d2 = 2.00 cm, d3 = 2.00 cm, d4 = 9.0 cm. Locate its center of gravity. (Take (x, y) = (0, 0) at the intersection of d1 and d4.)
Picture ---> http://www.webassign.net/pse/p12-07alt.gif
Answer = (____ , ____) cm
Homework Equations
Xcg=(A1X1+A2X2)/(A1+A2)
Ycg=(A1Y1+A2Y2)/(A1+A2)
The Attempt at a Solution
x1=1cm
x2=3.50cm
y1=9.5cm
y2=1cm
Xcg=(38.8*1+14*3.5)/(38.8+14)=1.66cm
Ycg=(38.8*9.5+14*1)/(38.8+14)=7.47cm
This seems to be the incorrect answer, and I am not sure why...Can anyone help? Thanks.