Home Physics Work, Energy, Power and Collision Conservation of Energy and Momentum A bomb of mass 3.0 Kg explodes in air into t…
Physics Work, Energy, Power and Collision Conservation of Energy and Momentum MCQ (Single Correct)

A bomb of mass 3.0 Kg explodes in air into two pieces of masses 2.0 kg and 1.0 kg. The smaller mass goes at a speed of 80 m/s. The total energy imparted to the two fragments is

A
1.07 kJ
B
2.14 kJ
C
2.4 kJ
D
4.8 kJ

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Text Solution

Verified by Experts
The correct answer is:
D

Both fragments will possess the equal linear momentum

⇒ ⇒ ⇒ ⇒

∴ ∴ Total energy of system

=

= 4800 J = 4.8 kJ

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