Calculating Force of Friction on 8.1g Bullet in Rifle Barrel

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SUMMARY

The discussion focuses on calculating the constant force exerted on an 8.1g bullet traveling at 605.8 m/s down a 0.5m rifle barrel. Participants outline a systematic approach to solving the problem, which includes identifying knowns and unknowns, selecting appropriate methods (kinematic equations), and manipulating equations to derive the solution. The key equations involved are derived from Newton's second law and kinematic principles, ensuring a clear path to the answer.

PREREQUISITES
  • Understanding of Newton's second law of motion
  • Familiarity with kinematic equations
  • Basic knowledge of force and acceleration concepts
  • Ability to manipulate algebraic equations
NEXT STEPS
  • Study Newton's second law of motion in detail
  • Learn how to apply kinematic equations to solve for force
  • Explore energy conservation principles in projectile motion
  • Practice problems involving force calculations in various contexts
USEFUL FOR

This discussion is beneficial for physics students, educators, and anyone interested in understanding the dynamics of projectile motion and force calculations in firearms.

zolloz89
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please help me FRICTION

A 8.1g bullet leaves the muzzle of a rifle with a speed of 605.8m/s. What constant force is exerted on the bullet while it is traveling down the0.5m lengthof the barrel of the rifle? answer in N.

Thanks in advance!
 
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sry for the double post
i forgot to say that i am completely lost and have no idea where to start
 
Here is what you will do:

A. Write down what the question is asking

B. Write down what are the knowns

C. Write down what are the unknowns

D. Write down which method you will try to use to solve this (Energy, kinematic?, and why)

E. Write down the equations you have based on the method chosen from part D.

F. Try to manipulate the equations to get a solution

G. Check your solution to see if it seems too big or small to be reasonable


THEN, someone will help you.
 
Last edited:

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