Physics
Grade-7
Easy

Question

Which of the bodies given below has more kinetic energy when mass is constant?
A) 3 m/s
B) 6 m/s

  1. 3m/s
  2. 6m/s
  3. Both A and B
  4. None

Hint:

6 m/s

The correct answer is: 6m/s


    Kinetic energy is directly proportional to the square of its velocity. Here, the velocity of 6 m/s is more than 3 m/s hence, the kinetic energy is more when the velocity is 6 m/s.

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