A 20-G Bullet Moving at 1000 M/s Is Fired Through

question 36

Multiple Choice

A 20-g bullet moving at 1000 m/s is fired through a one-kg block of wood emerging at a speed of 200 m/s.What is the kinetic energy of the block that results from the collision if the block had not been moving prior to the collision and was free to move?

• A) 10 kJ
• B) 9.8 kJ
• C) 0.16 kJ
• D) 0.13 kJ

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Definitions:

Due Diligence

An investigation or audit of a potential investment or product to confirm all facts, such as reviewing all financial records plus anything else deemed material.

Thalamus

A part of the brain that acts as a principal relay station for sensory information, directing it to appropriate areas of the brain for processing.

Physiological Explanation

An interpretation of a phenomenon or behavior by relating it to physiological processes and biological functions.

Cognition

The cognitive process of gaining awareness and comprehension via thinking, experiencing, and sensory perception.