Multiple Choice
A wooden beam has a rectangular cross section of height in.and width
in.(see the figure) .The strength
of the beam is directly proportional to its width and the square of its height. What are the dimensions of the cross section of the strongest beam that can be cut from a round log of diameter 24 in.? Hint:
, where
is a constant of proportionality.
A)
B)
C)
D)
Correct Answer:

Verified
Correct Answer:
Verified
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