Home Physics Center of Mass General A block moving in air explodes in two parts …
Physics Center of Mass General MCQ (Single Correct)

A block moving in air explodes in two parts then just after explosion (neglect change in momentum duet to gravity)

A
The total momentum of two parts must be equal to the momentum of the block before explosion.
B
The total kinetic energy of two parts must be equal as that of block before explosion.
C
The total momentum must change
D
The total kinetic energy must increase

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The correct answer is:
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(a, d)

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