The mass of 20 metres of copper wire is 0.9 find the mass of 170 metres of the
the same type of copper wire
Answers
Answered by
46
20 m of wire = 0.9 unit weight
10 m of wire=0.45 unit weight
170 m of wire = 0.45×17=7.65 unit weight
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Answered by
7
Answer:
7.65 kg is answer
Step-by-step explanation:
mass of 20m of copper wire= 0.9kg
mass of 1m of copper wire= 0.9÷20
= 09/20×10
= 9×170/200
= 9×17/20
= 153/20
Answer is =7.65 kg
Thank you!!!!
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