The elastic energy stored in your tendons can contribute up to 35% of your energy needs when unning. Sports scientists find that (on average) the nee 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 roups, 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)

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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### The Role of Elastic Energy in Tendons

#### Background Information
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.

#### Problem Statement

**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.*

(There is a hint available for further guidance.)

#### Answer Box
To calculate the difference in maximum stored energy (ΔU), enter the value and the units in the provided answer box:

\[ \Delta U = \boxed{\text{Value}} \ \boxed{\text{Units}} \]

Click the "Submit" button to submit your answer.

#### Notes
- Understanding how the energy stored in tendons can impact athletic performance provides insights into biomechanics and physiology.
- This problem involves using principles of physics to relate stretch length, spring constants, and energy storage in biological tissues.

#### Visual Aid
The supporting visual includes a two-column layout with the problem statement on the left and a detailed answer submission area on the right.
Transcribed Image Text:### The Role of Elastic Energy in Tendons #### Background Information 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. #### Problem Statement **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.* (There is a hint available for further guidance.) #### Answer Box To calculate the difference in maximum stored energy (ΔU), enter the value and the units in the provided answer box: \[ \Delta U = \boxed{\text{Value}} \ \boxed{\text{Units}} \] Click the "Submit" button to submit your answer. #### Notes - Understanding how the energy stored in tendons can impact athletic performance provides insights into biomechanics and physiology. - This problem involves using principles of physics to relate stretch length, spring constants, and energy storage in biological tissues. #### Visual Aid The supporting visual includes a two-column layout with the problem statement on the left and a detailed answer submission area on the right.
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