A spring and block are in the arrangement of the figure. When the block is pulled out to x = +5.0 cm, we must apply a force of magnitude 370 N to hold it there. We pull the block to x = 14.0 cm and then release it. How much work does the spring do on the block when the block moves from x; = +5.0 cm to (a) x = +4.0 cm, (b) x = -4.0 cm, (c) x= -5.0 cm, and (d) x = -10.0 cm?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter6: Energy Of A System
Section6.2: Work Done By A Constant Force
Problem 6.2QQ
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A spring and block are in the arrangement of the figure. When the block is pulled out to x = +5.0 cm, we must apply a force of
magnitude 370 N to hold it there. We pull the block to x = 14.0 cm and then release it. How much work does the spring do on the block
when the block moves from x; = +5.0 cm to (a) x = +4.0 cm, (b) x = -4.0 cm, (c) x= -5.0 cm, and (d) x = -10.0 cm?
x=0
Ę₁ = 0
00000000
Block
attached
to spring
Use correct number of significant
digits. The tolerance is ± 1 in the
3rd significant digit.
(a) Number i -5.92
(a)
x positive
F negative F
ww
(b)
x negative
F positive
Units
J
(b) Number i 3.35
Units
J
(c) Number 0
Units
J
(d) Number i
0
!
Units
J
(c)
-x
x
x
Transcribed Image Text:A spring and block are in the arrangement of the figure. When the block is pulled out to x = +5.0 cm, we must apply a force of magnitude 370 N to hold it there. We pull the block to x = 14.0 cm and then release it. How much work does the spring do on the block when the block moves from x; = +5.0 cm to (a) x = +4.0 cm, (b) x = -4.0 cm, (c) x= -5.0 cm, and (d) x = -10.0 cm? x=0 Ę₁ = 0 00000000 Block attached to spring Use correct number of significant digits. The tolerance is ± 1 in the 3rd significant digit. (a) Number i -5.92 (a) x positive F negative F ww (b) x negative F positive Units J (b) Number i 3.35 Units J (c) Number 0 Units J (d) Number i 0 ! Units J (c) -x x x
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