Question

why is kinetic energy not conserved in inelastic collisions?
and how it is converted to another form of energy
please explain with example
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Answer 1

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Inelastic collision: The collisions in which the momentum of the system is conserved but the kinetic energy is not conserved are called inelastic collisions.

Most of the collisions in every-day life are inelastic collisions. The kinetic energy lost in an inelastic collision appears in some other form of energy such as heat, sound, etc.

Characteristics of inelastic collisions:

i) The momentum is conserved.

ii) The total energy is conserved.

iii) The kinetic energy is not conserved.

iv) A part or or whole of the mechanical energy may be converted into other forms (heat, light, sound), etc.

v) Some or all of the forces involved are non-conservative in nature.