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Consider a particle at rest which may de...

Consider a particle at rest which may decay into two (daughter) particles or into three (daughter) particles. Which of the following is`//`are true? (There are no external forces):

A

The velocity vectors of the daughter particles must lie in a plane.

B

Given the total kinetic energy of system and the mass of each daughter particle, it is possible to determine the speed of each daughter particle.

C

Given the speed (s) of all but one daughter particle it is possible to determine the speed of the remaining particle,

D

The total momentum of the daughter particles is zero.

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The correct Answer is:
A, D
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