Momentum of biker dragging foot

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Homework Help Overview

The discussion revolves around a problem in physics related to momentum, specifically involving a biker and their bike experiencing a change in speed due to dragging a foot on the ground.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants explore the definition of momentum and its application to the scenario presented. There is an inquiry about the calculations or methods used to determine the change in momentum.

Discussion Status

The discussion includes a request for clarification on the definition of momentum, indicating a conceptual exploration. One participant mentions having figured out the problem, suggesting some level of progress, but without detailing the process or confirming a consensus.

Contextual Notes

There is a lack of detailed information on the calculations performed by participants, and the original poster's specific approach to the problem remains unclear.

StotleD
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A 77.0 kg rider sitting on a 6.6 kg bike is riding along at 8.1 m/s in the positive direction. The rider drags a foot on the ground and slows down to 4.0 m/s still in the positive direction. What is the change in momentum of the rider and bike?
 
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I figured this out, thanks.
 

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