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ICSE Class 10 Physics Question 1 of 27

Solved 2023 Question Paper ICSE Class 10 Physics — Question 2

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2
Question

Question 1(ii)

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

  1. remains the same
  2. decreases
  3. is doubled
  4. becomes four times
Answer

becomes four times

Reason — According to the formula :

Kinetic energy = 12\dfrac{1}{2}mv2

Hence, when speed (v) is doubled the kinetic energy increases by 4 times.