A) \[{{(KE)}_{final}}={{(KE)}_{initial}}\]
B) \[{{(KE)}_{final}}\]must be greater than\[{{(KE)}_{initial}}\]
C) \[{{(KE)}_{final}}\]must be less than\[{{(KE)}_{initial}}\]
D) \[{{(KE)}_{final}}\]must be greater or less than\[{{(KE)}_{initial}}\]
Correct Answer: B
Solution :
During inelastic collision of two particles kinetic energy after collision is not equal to kinetic energy before collision. Here,\[KE\]appears in other forms. In some cases, \[{{(KE)}_{final}}<{{(KE)}_{initial}}\]such as when initial KE is converted into internal energy of the product (as heat, elastic or excitation energy) while in other cases\[{{(KE)}_{final}}>{{(KE)}_{initial}}\]such as when internal energy stored in the colliding particles is released.
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