### Problem DescriptionA 68 kg hiker walks at 5.0 km/h up a 6% slope. The indicated incline is the ratio of the vertical distance to the horizontal distance expressed as a percentage.For the steps and strategies involved in solving a similar problem, you may view a Video Tutor Solution.### Part A**Question:** What is the necessary metabolic power?**Hint:** You can model her power needs as the sum of the 380 W power to walk on level ground plus the power needed to raise her body by the appropriate amount. Assume that the efficiency of the body in using energy is 25%.**Task:** Express your answer with the appropriate units.---**Input Field:** \( P = \) [Value] [Units]**Buttons Available:** - Submit- Request Answer**Additional Resources:** - Review- Constants- Periodic TableThis educational challenge involves calculating the metabolic power required for a hiker ascending an inclined path, accounting for the body's efficiency.

M= 68kg V= 5kmph = 1.38889m/s 6% slope

I Review I Constants I Periodic A 68 kg hiker walks at 5.0 km/h up a 6 % slope. The indicated incline is the ratio of the vertical distance and the horizontal distance expressed as Part A percentage. For the steps and strategies involved in solving a similar problem, you may view a Video Tutor Solution. What is the necessary metabolic power? Hint: You can model her power needs as the sum of the 380 W power to walk on level ground plus the power ne raise her body by the appropriate amount. Assume that the efficiency of the body in using energy is 25%. Express your answer with the appropriate units. ? P = Value Units

I Review I Constants I Periodic A 68 kg hiker walks at 5.0 km/h up a 6 % slope. The indicated incline is the ratio of the vertical distance and the horizontal distance expressed as Part A percentage. For the steps and strategies involved in solving a similar problem, you may view a Video Tutor Solution. What is the necessary metabolic power? Hint: You can model her power needs as the sum of the 380 W power to walk on level ground plus the power ne raise her body by the appropriate amount. Assume that the efficiency of the body in using energy is 25%. Express your answer with the appropriate units. ? P = Value Units

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

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.

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### Problem Description

A 68 kg hiker walks at 5.0 km/h up a 6% slope. The indicated incline is the ratio of the vertical distance to the horizontal distance expressed as a percentage.

For the steps and strategies involved in solving a similar problem, you may view a Video Tutor Solution.

### Part A

**Question:**
What is the necessary metabolic power?

**Hint:**
You can model her power needs as the sum of the 380 W power to walk on level ground plus the power needed to raise her body by the appropriate amount. Assume that the efficiency of the body in using energy is 25%.

**Task:**
Express your answer with the appropriate units.

---

**Input Field:**
\( P = \) [Value] [Units]

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- Request Answer

**Additional Resources:**
- Review
- Constants
- Periodic Table

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