a piece of wire is wrapped around a pencil 90 times. if total width if all turns is 3 cm, find the radius of the wire
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Answer:
The diameter of the wire is 0.05 cm
Step-by-step explanation:
According to the problem the wire is wound around 60 times means the number of turns of the wire is 60
The total width of all turns is 4 cm
Therefore
The diameter of the wire = Total width of turns of wire / Number of turns of wire \
= 3/60
= 0.05 cm
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