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In a mechanical experiment with an isolated object, only Ekin and Epot of the object change. If the object accelerates from 5 m/s to 10 m/s, its potential energy has?

My ans:
Potential energy has decreased by a factor of 2 because kinetic energy has increased by a factor of 2?

  • Physics -

    No, KE increases as v^2, or a factor of 4 here.

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