A Karate Master Strikes a Board with an Initial Velocity

question 5

Multiple Choice

A karate master strikes a board with an initial velocity of 10.0 m/s,decreasing to 2.0 m/s as his hand passes through the board.If the time of contact with the board is 0.0020 s,and the mass of the coordinated hand and arm is 1.0 kg,what is the force exerted on the board?

• A) 1000 N
• B) 6000 N
• C) 4000 N
• D) 4500 N

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Definitions:

Behavioral Perspective

An approach in psychology focusing on understanding human behavior by studying observable actions and the environment's effect on them.

Team Dynamics

The behavioral relationships and processes that influence the direction and intensity of a team's work.

Regulating Emotions

The process by which individuals control their emotional responses to situations in a manner appropriate to the context.

Perceiving Emotions

The ability to recognize and understand emotional cues and signals in oneself and others.