Q. What will be the value of the kinetic energy (Ek) of a moving body with mass m, if its speed is doubled from v to 2v?
A) 4 Ek
B) 1/2 Ek
C) 2 Ek
D) There will be no change in Ek
✔ Correct Answer: 4 Ek
Exam Insight
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A) 4 Ek
B) 1/2 Ek
C) 2 Ek
D) There will be no change in Ek
✔ Correct Answer: 4 Ek
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