Multiple Choice
A spool of thread has an average radius of 1.00 cm.If the spool contains 62.8 m of thread,how many turns of thread are on the spool? "Average radius" allows us to not need to treat the layering of threads on lower layers.
A) 100
B) 1 000
C) 3 140
D) 62 800
Correct Answer:
Verified
Correct Answer:
Verified
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