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STD 11 - 5. work,energy,power and collision — JEE STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceJEESTD 11 - 5. work,energy,power and collision4 Marks
MCQ
A shell in free space initially at rest explodes into two pieces, $A$ and $B$ , which then move in opposite directions. Piece $A$ has less mass than piece $B$ . Ignore all external forces. Identify correct statement
  • A
    Both have the same momentum after the explosion
  • B
    Piece $B$ has greater magnitude of momentum after the explosion
  • ✓
    Piece $A$ has greater kinetic energy after the explosion
  • D
    Both have the same kinetic energy after the explosion
✓

Answer

Correct option: C.
Piece $A$ has greater kinetic energy after the explosion
c

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