In an Elastic Collision of Two Objects

question 91

Multiple Choice

In an elastic collision of two objects,

• A)momentum is not conserved.
• B)momentum is conserved,and the kinetic energy after the collision is less than its value before the collision.
• C)momentum is conserved,and the kinetic energy after the collision is the same as the kinetic energy before the collision.
• D)momentum is not conserved,and the kinetic energy of the system after the collision differs from the kinetic energy of the system before the collision.
• E)the kinetic energy of the system after the collision depends on the masses of the objects.

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