Asked by Nikit kumar

A copper solid cyliender of radius 14 cm and height 10 cm is melted and recast into cylienderI called wire of diameter 4mm find the length of the copper wire
Answered by oobleck
That's <u>cylindrical</u>, not <u>cylienderI called</u>
Anyway, if the wire is of length x cm, then you need the volumes to be equal:
14^2 * 10 = 0.4^2 * x
now just find x.
Answered by R_scott
close, but ... 14 cm is the RADIUS of the cylinder,
... while 4 mm is the DIAMETER of the wire

14^2 * 10 = (0.4 / 2)^2 * x
Answered by oobleck - @Damon
Dang! Way to watch!
Answered by oobleck - @R_scott
man, this is not my day!
I gotta go...
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