183_notes:examples:two_students_colliding

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183_notes:examples:two_students_colliding [2014/10/01 05:10] pwirving183_notes:examples:two_students_colliding [2014/10/02 15:50] (current) caballero
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-===== Example: Student Collision Example. =====+===== Example: Colliding Students =====
  
 Two students are running to make it to class. They turn a corner and collide; coming to a complete stop. What force did they exert on each other. Two students are running to make it to class. They turn a corner and collide; coming to a complete stop. What force did they exert on each other.
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 Δt=ΔxVavg=Δxvf+vi2 Δt=ΔxVavg=Δxvf+vi2
 +
 +Fill in the values for the variables from the assumptions and approximations you made previous.
  
 0.0255m/s+0m/s2=0.01s 0.0255m/s+0m/s2=0.01s
 +
 +Having solved for Δt fill this value and the known value for mass and the approximated value for velocity into the equation that we arranged earlier to find Fx,coll
  
 Fx,coll=MVixΔt=(68kg)(5m/s)0.01s Fx,coll=MVixΔt=(68kg)(5m/s)0.01s
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