Question

the weight of a wire is 2.4 kg/ ft what will be weight of its 200 mm long piece​

Answer 1

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Answer:

Mass of 200mm of wire = 1.58kg.

Step-by-step explanation:

Weight of wire = 2.4kg/ft

Also, 1ft = 304.8mm

Thus,

Mass of 1 mm of wire = (2.4/304.8)kg/mm

= 0.0079 kg/mm

= 7.9×10^-3 kg/mm

So,

Mass of 200mm of wire =200×(7.9×10^-3) kg

= 15.8×10^-1 kg

= 1.58 kg.

:)

Answer 2

Weight of wire = 2.4kg/ft

Also, 1ft = 304.8mm

Thus,

Mass of 1 mm of wire = (2.4/304.8)kg/mm

= 0.0079 kg/mm

= 7.9×10^-3 kg/mm

So,

Mass of 200mm of wire =200×(7.9×10^-3) kg

= 15.8×10^-1 kg

= 1.58 kg

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