The elastic energy stored in your tendons can contribute up to 35% of your energy needs when running. Sports scientists find that (on average) the knee extensor tendons in sprinters stretch 43 mm while those of nonathletes stretch only 31 mm. The spring constant of the tendon is the same for both groups, 33 N/mm. What is the difference in maximum stored energy between the sprinters and the nonathletes? Express your answer to two significant figures and include the appropriate units. ► View Available Hint(s) 2

College Physics
11th Edition
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Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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help on both parts please!

The elastic energy stored in your tendons can contribute up
to 35% of your energy needs when running. Sports
scientists find that (on average) the knee extensor tendons
in sprinters stretch 43 mm while those of nonathletes
stretch only 31 mm . The spring constant of the tendon is
the same for both groups, 33 N/mm.
Part A
What is the difference in maximum stored energy between the sprinters and the nonathletes?
Express your answer to two significant figures and include the appropriate units.
► View Available Hint(s)
AU =
Submit
Value
Units
= ?
Transcribed Image Text:The elastic energy stored in your tendons can contribute up to 35% of your energy needs when running. Sports scientists find that (on average) the knee extensor tendons in sprinters stretch 43 mm while those of nonathletes stretch only 31 mm . The spring constant of the tendon is the same for both groups, 33 N/mm. Part A What is the difference in maximum stored energy between the sprinters and the nonathletes? Express your answer to two significant figures and include the appropriate units. ► View Available Hint(s) AU = Submit Value Units = ?
The elastic energy stored in your tendons can
contribute up to 35% of your energy needs when
running. Sports scientists find that (on average) the
knee extensor tendons in sprinters stretch 45 mm
while those of nonathletes stretch only 30 mm.
The spring constant of the tendon is the same for
both groups, 33 N/mm.
Part A
What is the difference in maximum stored energy between the sprinters and the
nonathletes?
Express your answer to two significant figures and include the appropriate units.
► View Available Hint(s)
0
AU = 15444
Submit
Previous Answers
J
X Incorrect; Try Again; 4 attempts remaining
?
Transcribed Image Text:The elastic energy stored in your tendons can contribute up to 35% of your energy needs when running. Sports scientists find that (on average) the knee extensor tendons in sprinters stretch 45 mm while those of nonathletes stretch only 30 mm. The spring constant of the tendon is the same for both groups, 33 N/mm. Part A What is the difference in maximum stored energy between the sprinters and the nonathletes? Express your answer to two significant figures and include the appropriate units. ► View Available Hint(s) 0 AU = 15444 Submit Previous Answers J X Incorrect; Try Again; 4 attempts remaining ?
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