Question: There are two identical objects of the same mass ( M ) . One object is at rest. The other object travels towards

There are two identical objects of the same mass

\ (

\) .

One object is at rest. The other object travels towards the object at rest, and then collides and sticks together. It is known that the kinetic energy of the traveling object is equal to its rest energy

(

before the collision

) .

(

)

What is the momentum of the traveling object before collision?

(

)

What is the mass of the composite object after collision?

There are two identical objects of the same mass

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