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Untitled Quiz
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Untitled Quiz

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Questions and Answers

During a collision, momentum is conserved if the system is?

  • dynamic
  • closed
  • isolated (correct)
  • open

    • What happens to the objects in a completely inelastic collision?

  • They break apart
  • They stick together (correct)
  • They change shape
  • They bounce off each other

    • What is conserved in a completely elastic collision?

  • Only kinetic energy
  • Neither momentum nor kinetic energy
  • Only momentum
  • Both momentum and kinetic energy (correct)

    • What do you need to derive the second equation for completely elastic collisions?

    <p>Both the conservation of momentum and kinetic energy</p> Signup and view all the answers

    What is the result of rearranging the conservation of kinetic energy in a completely elastic collision?

    <p>ma(vai – vaf) (vai + vaf) = mb (vbf - vbi) (vbf + vbi)</p> Signup and view all the answers

    What do you need to do to solve collision problems?

    <p>All of the above</p> Signup and view all the answers

    What is the final equation derived for completely elastic collisions?

    <p>vai + vaf = vbi + vbf</p> Signup and view all the answers

    What is the key to determining which type of collision is occurring?

    <p>The type of forces involved</p> Signup and view all the answers

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