The spring of a spring balance is 7.0 cm long when there is no weight on the balance, and it is 8.5 cm long with 9.0 N hung from the balance. How much work is done in stretching the spring from a length of 8 0 cm to 10.0 cm?

The spring of a spring balance is 7.0 cm long when there is no weight on the balance, and it is 8.5 cm long with 9.0 N hung from the balance. How much work is done in stretching the spring from a length of 8 0 cm to 10.0 cm?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

The spring of a spring balance is 7.0 cm long when there is no weight on the balance, and it is 8.5 cm long with 9.0 N hung from the balance. How much work
is done in stretching the spring from a length of 8.0 cm to 10.0 cm?
The amount of work done in stretching the spring is N cm. (Simplify your answer)

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