The first figure gives spring force F, versus position x for the spring-block arrangement of the second figure. The scale is set by F= 200 N. We release the block at x = 14.0 cm. How much work does the spring do on the block when the block moves from x; = +9.0 cm to (a) x = +7.0 cm, (b) x = -7.0 cm, (c) x = -9.0 cm, and (d) x = -10.0 cm? -10 x=0 F-0 mooooooo x positive F, negative (a) (b) 7 -x (cm) -Block attached to spring

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B8
The first figure gives spring force Fx versus
position x for the spring-block arrangement of the
second figure. The scale is set by F= 200 N. We
release the block at x = 14.0 cm. How much work
does the spring do on the block when the block
moves from x; = +9.0 cm to (a) x = +7.0 cm,
(b) x = -7.0 cm, (c) x = -9.0 cm, and (d) x = -10.0 cm?
B
7
F
-10
-F₁
x=0
F-0
oooooooo
x positive
F, negative
(b)
-x (cm)
-Block
attached
to spring
Transcribed Image Text:The first figure gives spring force Fx versus position x for the spring-block arrangement of the second figure. The scale is set by F= 200 N. We release the block at x = 14.0 cm. How much work does the spring do on the block when the block moves from x; = +9.0 cm to (a) x = +7.0 cm, (b) x = -7.0 cm, (c) x = -9.0 cm, and (d) x = -10.0 cm? B 7 F -10 -F₁ x=0 F-0 oooooooo x positive F, negative (b) -x (cm) -Block attached to spring
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