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 semicircle y = 
if the density of the rod is 
A. 
= 
?, 
= 
?
B. 
= 
?, 
= 
?
C. 
= 0, 
= 
?
D. 
= 0, 
= 
?
Answer: C
Mathematics
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Solve.
= 4
A. 12 B. 60 C. 64 D. 0
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Find the limit, if it exists.
A. 4 B. -2 C. 24 D. Does not exist
Mathematics
Identify the units you would expect for the given quantity.A speed found by dividing a distance measured in meters by a time measured in seconds.
A. seconds per meter B. meters per second C. meter-seconds D. square meters
Mathematics
Find the quotient q and a remainder r when a is divided by b, and write the result in the form a = bq + r of the division algorithm for the given choices of a and b.a = 208, b = 6
A. 208 = (6)(34) B. 208 = (6)(34) + 4 C. 208 = (6)(38) D. 208 = (6)(34) + 5
Mathematics