Find the center of mass of the thin rod with the given density function.Find the center of mass of a thin rod that lies along the first-quadrant portion of the circle
if the density of the rod is 
A. 
= 
?, 
= 
?
B. 
= 
?, 
= 
?
C. 
= 6?, 
= 6?
D. 
= 0, 
= 
?
Answer: B
Mathematics
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dx
A. 
B. 
C. 0
D. 27
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A. I B. II C. III D. IV
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Solve the equation.
= -2
A. ?
B. 
C. 
D. 
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Translate to a proportion. Do not solve.2% of 90 is what?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
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