Which of the Following Four Objects Has Different Kinetic Energy

question 66

Multiple Choice

Which of the following four objects has different kinetic energy?

• A) An object of mass m moving with speed 4v
• B) An object of mass 4m moving with speed 2v
• C) An object of mass 16m moving with speed v
• D) An object of mass 2m moving with speed 3v
• E) None of these; all four objects have the same kinetic energy.

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