The largest possible sphere is carved out of a cube of side 7 cm. Find volume of the sphere.
10. 2.2 dm; of brass is to be drawn into a cylindrical wire of diameter 0.50 cm. Find the length of wire.
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Answer:
l=44818 cm or 448 metres (approx.)
Step-by-step explanation:
1dm=10cm
1dm
3
=1000cm
3
Now 2200cm
3
=πr
2
l(Volume of cylindrical wire )
⇒l=
πr
2
2200
=
π(0.125)
2
2200
Hence l=44818 cm or 448 metres (approx.)
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