A polyethylene rope weighs 0.25 lb per foot. If each chain contains 7000 repeat units, calculate (a)

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A polyethylene rope weighs 0.25 lb per foot. If each chain contains 7000 repeat units, calculate
(a) The number of polyethylene chains in a 10-ft length of rope, and
(b) The total length of chains in the rope, assuming that carbon atoms in each chain are approximately 0.15 nm apart and the length of one repeat unit is 0.24495 nm.
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Essentials of Materials Science and Engineering

ISBN: 978-1111576851

3rd edition

Authors: Donald R. Askeland, Wendelin J. Wright

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