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MMLU / A particle's kinetic energy is changing at a rate of –6.0 J/s when its speed is…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A particle's kinetic energy is changing at a rate of –6.0 J/s when its speed is 3.0 m/s. What is the magnitude of the force on the particle at this moment?

choices

  1. 0.5 N
  2. 2.0 N
  3. 4.5 N
  4. 9.0 N

subject

high_school_physics

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Source and history

Official source

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