88 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be ?
A) 112 mts
B) 84 mts
C) 96 mts
D) 108 mts
Answers
Answered by
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88 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be ?
A) 112 mtsB) 84 mtsC) 96 mtsD) 108 mts
Answer: B) 84 mts
SOLUTION
Vol of silver = πR2hπR2h = 66 C.C
Given D= 1mm => R = D/2 = 1/20 cm
=> 227×(120)2×h227×1202×h = 66
= 66 x 400 x (7/22) = 8400 cm = 84 mtrs.
A) 112 mtsB) 84 mtsC) 96 mtsD) 108 mts
Answer: B) 84 mts
SOLUTION
Vol of silver = πR2hπR2h = 66 C.C
Given D= 1mm => R = D/2 = 1/20 cm
=> 227×(120)2×h227×1202×h = 66
= 66 x 400 x (7/22) = 8400 cm = 84 mtrs.
Answered by
0
Answer: B) 84 mts
Explanation:
Vol of silver = πR2hπR2h = 66 C.C
Given D= 1mm => R = D/2 = 1/20 cm
=> 227×(120)2×h227×1202×h = 66
= 66 x 400 x (7/22) = 8400 cm = 84 mtrs.
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