Kinetic Energy

The relativistic kinetic energy of a particle of rest mass is given by
, where is the mass of
the particle moving with velocity .

According to problem,
kinetic energy rest energy

or
or
or

Given: Step 1: Formula for Kinetic Energy The kinetic energy is given by the formula: Step 2: Substitute the values Substitute the given values into the formula: Answer: The correct answer is option (2): 9 J.