lavesh60
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a cube of side 7.0cm is molded into a thin uniform wire of a diameter 0.7mm .calculate the length of the wire in si units​

Respuesta :

shemtomke

Answer:

89126.768 cm

Explanation:

The volume of the cube = 7*7*7

= 343 cm^3

1 cm =10 mm

? =    0.7mm

D =0.07cm   r =0.035 cm

the volume of a cylinder(wire) = πr^2 h

343 = π (0.035^2) *h

h = 89126.768 cm

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