Explanation:
Kinetic energy is given by
Kinetic energy = 0.5 x Mass x Velocity²
Here mass and velocity is given we need to find kinetic energy.
Mass, m = 3.3 g = 3.3 x 10⁻³ kg
Velocity, v = 38.0 m/s
Substituting
Kinetic energy = 0.5 x Mass x Velocity²
Kinetic energy = 0.5 x 3.3 x 10⁻³ x 38.0²
Kinetic energy = 2.38 J
Kinetic energy of the first bullet is 2.38 Joules