9. A spring and block are in the arrangement of Fig. 7-10.When the block is pulled out to x = +4.0 cm, we must apply a force of magnitude 360 N to hold it there. We pull the block to x = 11 cm and then release it. How much work does the spring do on the block as the block moves from x1 = +5.0 cm to (a) x = +3.0 cm, (b) x = -3.0 cm, (c) x = -5.0 cm, and (d) x = -9.0 cm? %3D
9. A spring and block are in the arrangement of Fig. 7-10.When the block is pulled out to x = +4.0 cm, we must apply a force of magnitude 360 N to hold it there. We pull the block to x = 11 cm and then release it. How much work does the spring do on the block as the block moves from x1 = +5.0 cm to (a) x = +3.0 cm, (b) x = -3.0 cm, (c) x = -5.0 cm, and (d) x = -9.0 cm? %3D
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:9. A spring and block are in the arrangement of Fig. 7-10.When the block is pulled out to x = +4.0 cm,
we must apply a force of magnitude 360N to hold it there. We pull the block to x = 11 cm and then
release it. How much work does the spring do on the block as the block moves from x1 = +5.0 cm to (a)
x = +3.0 cm, (b) x = -3.0 cm, (c) x = -5.0 cm, and (d) x = -9.0 cm?
Transcribed Image Text:Block
attached
to spring
x positive
F, negative
(8)
x negative
F positive
()
Figure 7-10 (a) A spring in its relaxed state.
The origin of an x axis has been placed at
the end of the spring that is attached to a
block. (b) The block is displaced by d, and
the spring is stretched by a positive amount
x. Note the restoring force F,exerted by
the spring. (c) The spring is compressed by
a negative amount x. Again, note the
restoring force,
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