Physics
Grade-7
Easy

Question

Which of the bodies given below has less kinetic energy when both have the same mass?
A) 3 m/s
B) 6 m/s

  1. A
  2. B
  3. A & B
  4. None 

hintHint:

A

The correct answer is: A


    Kinetic energy is directly proportional to the square of its velocity. If a body has less velocity, then its kinetic energy will also be lesser. Here, A possesses less velocity hence, its kinetic energy is also less.

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