Impulse & Momentum: Solving Homework Problem

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    Impulse Momentum
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SUMMARY

The discussion centers on a homework problem related to impulse and momentum, specifically addressing the role of friction in the calculations. The participant expresses confusion about incorporating friction factors into the impulse-momentum equations. Key terms include kinetic friction (Uk) and static friction (Us), which are critical for solving the problem effectively. The participant has prior experience with impulse and momentum problems but finds this particular problem challenging due to the friction component.

PREREQUISITES
  • Understanding of impulse and momentum principles
  • Familiarity with kinetic and static friction concepts
  • Ability to interpret and apply physics equations
  • Basic problem-solving skills in mechanics
NEXT STEPS
  • Review the impulse-momentum theorem and its applications
  • Study the effects of friction on motion in physics
  • Practice solving problems involving kinetic and static friction
  • Explore advanced mechanics topics, such as energy conservation in frictional systems
USEFUL FOR

Students studying physics, particularly those tackling mechanics problems involving impulse and momentum, as well as educators seeking to clarify concepts of friction in motion.

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Homework Statement



http://courses.washington.edu/mengr230/sp11/handout/n25_ImpulseMomentum.pdf
the problem at the bottom

Homework Equations



on the link

The Attempt at a Solution



I wrote out the equation and I don't really know where the friction factors in. I'm pretty much 100% lost on this. I've done a good amount of impulse and momentum problems but this one is stumping me.
 
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duperduperman said:

I wrote out the equation and I don't really know where the friction factors in. I'm pretty much 100% lost on this. I've done a good amount of impulse and momentum problems but this one is stumping me.


The Uk is for kinetic friction and the Us is for static friction. Static friction is when it's not moving and kinetic friction is when it is moving.
 

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