a stationary object explodes into two fragments of maases m and 2m. if senergy of explosion of system is E then KE of the centre of the maas of the system will be??
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the centre of mass will remain stationary therefore its kinetic energy will be 0
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Answer:
as its an explosion....no ext force acts...only intenal forces there...
momentum will be conserved...
if center of mass was initially at rest..then after the explosion also it will remain at rest
so no kinetic energy
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