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Help me please, Two objects collide and stick together. Which of the following is false?

Two objects collide and stick together. Which of the following is false?
 

  • Option 1)

    momentum is conserved
     

  • Option 2)

     kinetic energy is lost
     

  • Option 3)

    kinetic energy is conserved
        

  • Option 4)

    momentum is lost
     

 
Answers (1)
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As we discussed in

Perfectly Inelastic Collision -

e=0

- wherein

\! e\: :\: coeffecient\: of \: restitution

 

 Momentum remains conserved but kinetic energy does not.


Option 1)

momentum is conserved
 

Incorrect

Option 2)

 kinetic energy is lost
 

Incorrect

Option 3)

kinetic energy is conserved
    

Correct

Option 4)

momentum is lost
 

Incorrect

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