What happens in terms of energy when a moving car hits a parked car , causing the parked car to move ? A: the moving car transfers kinetic energy to the parked car B: Kinetic energy in the moving car disappears C: Kinetic energy in the parked car is created D: The parked car transfers kinetic energy to the moving car
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A. is the correct answer
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The kinetic energy is gained by a moving car is the reason of it's acceleration or retardation. The kinetic energy is basically not passed to another car but the force it applies on the resting car is quite large in magnitude to change it's potential energy to kinetic energy and thus the car undergoes motion.
The kinetic energy of a car cannot disappear nor can it be created as it is basically improbable as stated by the law of conservation of energy. The law of conservation of energy states that energy can neither be created nor destroyed rather it gets transferred.
The parked car posses potential energy and it's kinetic energy is zero hence it cannot pass on kinetic energy.
According to the options, A will be the answer.
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