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Vijay meena

· started a discussion

· 1 Months ago

wrong ans (Question: 339098.0 )

pls correct your ans

Question:

The diameter of a metallic sphere is 6 cm. The sphere is melted and drawn into a wire of uniform circular cross-section. If the length of the wire is 36 m, then what is its radius equal to ?

Options:
A)

0.1 cm

B)

0.01 cm

C)

0.001 cm

D)

1.0 cm

Solution:

Ans: (a)

  

Knowledge Expert

· commented

· 1 Months ago

given answer is correct,

r^2= 1/100
r= root 1/ root 100
r = 1/10
r= .1 cm

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