Answered: Block is attached to end of relaxed…

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

Calculate the work done on the block by the spring as the block falls an arbitrary distance x (Express your answer in terms of the variables alpha, m, x, and the acceleration due to gravity g, if needed) W_spring?

Calculate the work done on the block by any other forces as the block falls an arbitrary distance (Express your answer in terms of the variables alpha, m, x, and the acceleration due to gravity g, if needed) W_other?

Find the x-component of the net force that acts on the block when it is at x2. (Express your answer in terms of the variable m and the acceleration due to gravity g)

Block is attached
to end of relaxed
spring, then released."
m
Positive x is
downward.

Consider a hanging spring of negligible mass that
does not obey Hooke's law. When the spring is pulled
downward by a distance a, the spring exerts an upward
force of magnitude ax, where a is a positive constant.
Initially the hanging spring is relaxed (not extended). We
then attach a block of mass m to the spring and release
the block. The block stretches the spring as it falls
(Figure 1). alow i the
bleek moving when it kas

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