Asked by melissa
A rope goes over a circular pulley with a radius of 6.3 cm. If the pulley makes four revolutions without the rope slipping, what length of rope passes over the pulley?
Answers
Answered by
drwls
Four pulley circumferences
= 4 * (2 pi R) = 8 pi R
Plug in the numbers.
= 4 * (2 pi R) = 8 pi R
Plug in the numbers.
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