The kinetic energy of the given car is moving at 12 m/s and has a mass of 600 kg will be 43200 J so option (B) will be correct.
Kinetic energy is the energy an object has because of its motion.
If an object has some mass (m) and moving in any direction with velocity (v) then that object has kinetic energy.
Kinetic energy is given by = (1/2) × mass × velocity
For example, if we have an object with 5kg mass and moving with a velocity of 3 m/s then the kinetic energy will be
K.E. = (1/2) × 5 × 3 = 7.5 J.
Given that a car is moving at 12 m/s
Velocity (v) = 12m/s
Mass (m) = 600kg
Kinetic energy = (1/2) × mass × velocity²
Kinetic energy = (1/2) × 600 ×12²
Kinetic energy = 43200 J hence, option (B) will be correct.
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