tially stretched by 0.20 m. How high above the starting2.5 m above the trampoline and, when she lands, herfeet stretch the trampoline down 75 cm. How far doesnof Energyedrt the same rubber ball if the spring is compreseshoot the same ruan amount 2x? Assume xby 73x (m)-23Section 6.7 Elastic Potential Energy7469. The tension in a ligament in the human knee isapproximately proportional to the extension of the liga-ment, if the extension is not too large. If a particularligament has an effective spring constant of 150 N/mmas it is stretched, (a) what is the tension in this ligament75when it is stretched by 0.75 cm? (b) What is the elas-tic energy stored in the ligament when stretched by thisamount?lnoun as an atomic force microscope2.

Given spring constant of catapult=320 N/m. initially stretched=0.2m mass of pebble=51g

Answered: You shou whose spring c tially…

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You shou whose spring c tially stretched point does the

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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Concept explainers

Proper Length

The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot move faster than light. The most crucial postulate of Einstein's special relativity is that the laws of nature do not change in each frame of reference.

Question

tially stretched by 0.20 m. How high above the starting
2.5 m above the trampoline and, when she lands, her
feet stretch the trampoline down 75 cm. How far does
nof Energy
ed
rt the same rubber ball if the spring is comprese
shoot the same ru
an amount 2x? Assume x
by <h.
72. You shoot a 51 g pebble straight up
whose spring constant is 320 N/m. The catapult is
tially stretched by 0.20 m. How high aboye the
with a cata
pult
73. A gymnast of mass 52 kg is jumping on a trampoline
She jumps so that her feet reach a maximum heighs
2.5 m above the trampoline and, when she lands
feet stretch the trampoline down 75 cm. How far de
the trampoline stretch when she stands on it at resm
[Hint: Assume the trampoline obeys Hooke's law when
it is stretched.]

73
x (m)
-2
3
Section 6.7 Elastic Potential Energy
74
69. The tension in a ligament in the human knee is
approximately proportional to the extension of the liga-
ment, if the extension is not too large. If a particular
ligament has an effective spring constant of 150 N/mm
as it is stretched, (a) what is the tension in this ligament
75
when it is stretched by 0.75 cm? (b) What is the elas-
tic energy stored in the ligament when stretched by this
amount?
lnoun as an atomic force microscope
2.

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