Two Masses Collide and Stick Together

question 5

Multiple Choice

Two masses collide and stick together.Before the collision one of the masses was at rest.Is there a situation in which the kinetic energy is conserved in such a collision?

• A)Yes,if the less massive particle is the one initially at rest.
• B)Yes,if the more massive particle is the one initially at rest.
• C)Yes,if the two particles have the same mass.
• D)No,kinetic energy is always lost is such a collision.

---

Definitions:

Plasma

The liquid component of blood that carries cells and proteins throughout the body.

Serum Separator

A device or material in blood collection tubes that isolates serum from blood cells after centrifugation, used for various medical tests.

Formed Elements

Components of blood that include red blood cells, white blood cells, and platelets.

Butterfly Collection System

A type of IV needle system used for drawing blood that has a thin, needle-like tube connected to a winged end, making the insertion easier and minimizing discomfort for the patient.