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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The amount of net income an entity generates beyond its required rate of return on its investments.

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Assets that a company or individual allocates resources toward with the expectation of generating a future benefit or income.

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The highest possible profit or gains that can be achieved from an investment or business venture.

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The profit realized from a business's ongoing operations, excluding any income derived from investments or extraordinary one-time events.