Suppose that 4 J of work is needed to stretch a spring from its natural length of 32 cm to a length of 47 cm. (a) How much work (in J) is needed to stretch the spring from 34 cm to 42 cm? (Round your answer to two decimal places.) (b) How far beyond its natural length (in cm) will a force of 45 N keep the spring stretched? (Round your answer one decimal place.) cm
Suppose that 4 J of work is needed to stretch a spring from its natural length of 32 cm to a length of 47 cm. (a) How much work (in J) is needed to stretch the spring from 34 cm to 42 cm? (Round your answer to two decimal places.) (b) How far beyond its natural length (in cm) will a force of 45 N keep the spring stretched? (Round your answer one decimal place.) cm
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Transcribed Image Text:Suppose that 4 J of work is needed to stretch a spring from its natural length of 32 cm to a length of 47 cm.
(a) How much work (in J) is needed to stretch the spring from 34 cm to 42 cm? (Round your answer to two decimal places.)
J
(b) How far beyond its natural length (in cm) will a force of 45 N keep the spring stretched? (Round your answer one decimal place.)
cm
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