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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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.]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2e0b11ad-953a-4fa9-a7dd-3da54a220abb%2F80de98e5-d3e9-482c-9eae-da74d1845fec%2Ff2eq3gk.jpeg&w=3840&q=75)
Transcribed Image Text: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.]

Transcribed Image Text: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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