A 20-G Bullet Moving at 1 000 M/s Is Fired

question 18

Multiple Choice

A 20-g bullet moving at 1 000 m/s is fired through a one-kg block of wood emerging at a speed of 100 m/s.What is the change in the kinetic energy of the bullet-block system as a result of the collision assuming the block is free to move?

• A)0 J
• B)9.7 kJ
• C)-9.7 kJ
• D)-18 J

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Definitions:

Dominant Strategy

A strategy that is the best for a player in a game irrespective of the strategies chosen by other players.

Nash Equilibrium

A concept within game theory where no participant can benefit by changing strategies while the other participants keep theirs unchanged.

Maximin Strategy

A decision rule in game theory where a player maximizes the minimum gain that can be achieved, considering the worst-case scenario.

Physical Plant

Refers to the necessary infrastructure, buildings, and equipment required for a business or institution to operate.