Help with homework (kinetic friction)

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SUMMARY

The discussion centers on a physics homework problem involving a baseball player sliding into third base with an initial speed of 3.6 m/s and a coefficient of kinetic friction of 0.41. The relevant equations include the force of kinetic friction (Fk = μk * N) and the application of the work-energy theorem to determine the distance traveled before coming to rest. The solution approach emphasizes the importance of calculating the work done by friction to find the stopping distance.

PREREQUISITES
  • Understanding of Newton's second law (F = ma)
  • Familiarity with the concept of kinetic friction and its coefficient
  • Knowledge of the work-energy theorem
  • Basic algebra for solving equations
NEXT STEPS
  • Study the work-energy theorem in detail
  • Learn how to calculate work done by friction
  • Explore examples of motion with friction in physics
  • Review problems involving coefficients of friction and their applications
USEFUL FOR

Students studying physics, particularly those focusing on mechanics and friction, as well as educators seeking to enhance their teaching strategies in these topics.

jwang023
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Homework Statement


A baseball player slides into 3rd base with an intitial speed of 3.6 m/sec. If coefficient of kinetic friction between the player and the ground is 0.41, how far does the player go before rest?


Homework Equations



Fx= -fk= ma
fk= mu sub k *N

The Attempt at a Solution

 
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Hi jwang023! :smile:

Hint: use work done and the work-energy theorem :wink:
 

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