AP ICET 2019 Shift 2 Paper

Question : 105 of 200

Marks: +1, -0

A metallic solid sphere of radius 5 cm is melt and moulded into a long wire of radius 6 mm then the length of the wire, in meters, is

Solution:

Let the length of the wire be l cm
The volume of the solid sphere = The volume of the cylindrical wire

⇒ \;{4}/{3} π × 5 × 5 × 5=π × \;{6}/{10} × \;{6}/{10} × 1

⇒ 1=\;{12500}/{27} cm =\;{125}/{27} mts

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