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Q:

When the speed of a moving object is doubled, then its kinetic energy?

  • 1
    doubles
  • 2
    increases three times
  • 3
    remains the same
  • 4
    quadruples
  • Show Answer
  • Workspace

Answer : 4. "quadruples"
Explanation :

The change in the kinetic energy of the object as the speed changes is proportional to the square of the factor by which the speed changes. If the speed of the object becomes double, its kinetic energy changes to four times the initial kinetic energy.

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