Power Output Problem: Help Solving Rope Climb Challenge

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Homework Help Overview

The problem involves calculating the minimum power output of an athlete climbing a rope, focusing on the relationship between work done against gravity and time taken. The subject area includes concepts of energy, power, and gravitational potential energy.

Discussion Character

  • Exploratory, Conceptual clarification, Mathematical reasoning

Approaches and Questions Raised

  • Participants discuss how to begin the problem, with one suggesting the use of gravitational potential energy to find power. Questions arise regarding the calculation of gravitational potential energy itself.

Discussion Status

The discussion is ongoing, with some participants providing guidance on using gravitational potential energy and others seeking clarification on how to compute it. Multiple interpretations of the problem setup are being explored.

Contextual Notes

Participants are navigating the initial steps of the problem without explicit consensus on the approach, indicating a need for further exploration of the concepts involved.

bulldog23
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Homework Statement



In the rope climb, a 68.4kg athlete climbs a vertical distance of 4.76m in 8.38s. What minimum power output was used to accomplish this feat?


Homework Equations


P_av=delta W/delta t
P=dW/dt
P=F*v


The Attempt at a Solution


Can someone help me get started on this problem, I don't know where to begin?
 
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Find the change in energy... use gravitational potential energy... then divide by time to get power.
 
How do you figure out gravitational potential energy?
 
bulldog23 said:
How do you figure out gravitational potential energy?

gravitational potential energy = mgh
 
Oh ok, thanks man!
 

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