Answer :
The total kinetic energy of the two balls before the collision is 36 J
An object's kinetic energy is the energy it has as a result of motion.
Applying force is necessary if we wish to accelerate an object. We have to put forth work to apply a force. After the job is finished, the object will be travelling at a new, constant speed because energy has been transferred to it. The amount of kinetic energy that is transferred is determined by the mass and speed attained.
Kinetic energy can go from one thing to another and change into other types of energy. For instance, a flying squirrel could run into a chipmunk that is standing still. After the collision, a portion of the squirrel's initial kinetic energy may have been transmitted to the chipmunk or changed into another type of energy.
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