At Time T = 2

question 12

Multiple Choice

At time t = 2.3 s, a 4-kg block that initially moves with a constant speed of 6 m/s undergoes an inelastic collision with another block. Any two inertial observers must agree that

• A)the event took place at t = 2.3 s.
• B)the initial speed of the block is 6 m/s.
• C)the initial momentum of the block has magnitude 24 kg . m/s.
• D)the second block is moving after the collision.
• E)the momentum of the two block system is conserved during the collision.

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Definitions:

Incentive

A reward or benefit that motivates or encourages a specific action or behavior.

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A market-based approach to controlling pollution by allocating permits that allow the holder to emit a certain amount of pollution, which can be traded among companies.

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The act of releasing substances, especially pollutants, into the atmosphere or environment.

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