pls ans my question fast
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of rod=0.5cm , l of rod=8cm
Volume of rod={(22X0.5x0.5x8)/7} cm3
l of wire=18m=1800cm , r of wire is unknown
Volume of wire=(22xrxrx1800)/7cm3
But volume of wire= volume of rod
(22x0.5x0.5x8)/7=(22xrxrx1800)/7
(22x0.5x0.5x8x7)/ (22x7x1800)=r2
1/900=r2
1/300=r
r=0.033cm
Volume of rod={(22X0.5x0.5x8)/7} cm3
l of wire=18m=1800cm , r of wire is unknown
Volume of wire=(22xrxrx1800)/7cm3
But volume of wire= volume of rod
(22x0.5x0.5x8)/7=(22xrxrx1800)/7
(22x0.5x0.5x8x7)/ (22x7x1800)=r2
1/900=r2
1/300=r
r=0.033cm
akshu23:
hi , its ans is 0.67
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