Q.

Two particles of different masses collide head on. Then for the system 
 

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a

Loss of K.E. is zero, if it were perfect elastic collision. 
 

b

If it were perfect inelastic collision, the loss of K.E. of the bodies moving in opposite directions is more than that of the bodies
moving in the same direction

c

loss of momentum of the system is zero for both elastic and inelastic collisions 
 

d

all the above are true 
 

answer is D.

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Detailed Solution

  • Loss of kinetic energy in an elastic collision is zero.
  • Option B is likewise accurate since approaching bodies will move more slowly, which will result in a loss in kinetic energy. will increase.
  • Due to momentum conservation, there can never be any momentum loss in an isolated system.

Hence the correct answer is all the above are true.

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Two particles of different masses collide head on. Then for the system