An iron rod of diameter 1cm and length 8cm is drawn into a wire of length 18m of uniform thickness. Find the thickness of the wire?
A. 0.09cm
B. 0.08cm
C. 0.06cm
D. 0.05cm
FULL STEPS WOULD BE APPRETIATED.
XD.
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Answer:
0.06cm
Step-by-step explanation:
As we know.. Volume of cylinder is pai r^2h
= 22 x r^2 x h
-----
7
, volume are same for both rod so we can compare
22 x 1^2 x 8. =. 22 x r^2 x 1800
____. ____
7. 7
1 x 8. = r^2
______
18 x 100
0.4444 =. r^2
_______
100
Taking square root
r = 0.06 cm
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