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Suppose that 4 J of work is needed to stretch a spring from its natural length of 36 cm to a length of 45 cm. (a) How much work (in J) is needed to stretch the spring from 38 cm to 40 cm? (Round your answer to two decimal places.) ********.. X J Enter a number. (b) How far beyond its natural length (in cm) will a force of 50 N keep the spring stretched? (Round your answer one decimal place.) 5.0625 cm

Suppose that 4 J of work is needed to stretch a spring from its natural length of 36 cm to a length of 45 cm. (a) How much work (in J) is needed to stretch the spring from 38 cm to 40 cm? (Round your answer to two decimal places.) ********.. X J Enter a number. (b) How far beyond its natural length (in cm) will a force of 50 N keep the spring stretched? (Round your answer one decimal place.) 5.0625 cm

University Physics Volume 1
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter8: Potential Energy And Conservation Of Energy
Section: Chapter Questions
Problem 39P: A sled of mass 70 kg starts from rest and slides down a 10 incline 80 m long. It then travels for 20...
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Suppose that 4 J of work is needed to stretch a spring from its natural length of 36 cm to a length of 45 cm. (a) How much work (in J) is needed to stretch the spring from 38 cm to 40 cm? (Round your answer to two decimal places.) X J Enter a number. (b) How far beyond its natural length (in cm) will a force of 50 N keep the spring stretched? (Round your answer one decimal place.) 5.0625 cm
Transcribed Image Text:Suppose that 4 J of work is needed to stretch a spring from its natural length of 36 cm to a length of 45 cm. (a) How much work (in J) is needed to stretch the spring from 38 cm to 40 cm? (Round your answer to two decimal places.) X J Enter a number. (b) How far beyond its natural length (in cm) will a force of 50 N keep the spring stretched? (Round your answer one decimal place.) 5.0625 cm
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