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Suppose that 2 J of work is needed to stretch a spring from its natural length of 30 cm to

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Suppose that 2 J of work is needed to stretch a spring from its natural length of 30 cm to a length of 42 cm.
(a) How much work is needed to stretch the spring from 35 cm to 40 cm?
(b) How far beyond its natural length will a force of 30 N keep the spring stretched?

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a If 1 2 k 0 0144 0 0072k and k 2 0 0072 2500 9 …View the full answer


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Calculus Early Transcendentals

Calculus Early Transcendentals

ISBN: 978-0538497909

7th edition

Authors: James Stewart

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Question Posted: March 04, 2016 07:03:07
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