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Q:

जब एक चल वस्तु की गति दुगुनी हो जाती है तो उसकी गतिज ऊर्जा ?

  • 1
    दुगुनी हो जाती है
  • 2
    तीन गुनी बढ़ जाती है
  • 3
    समान रहती है
  • 4
    चौगुनी हो जाती है
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Answer : 4. "चौगुनी हो जाती है"
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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