An Object Initially at Rest Suddenly Explodes in Two Fragments

question 26

Multiple Choice

An object initially at rest suddenly explodes in two fragments of masses 2.6 kg and 3.3 kg that move in opposite directions. If the speed of the first fragment is 3.6 m/s, find the internal energy of
The explosion.

• A) 30 J
• B) 38 kJ
• C) 30 kJ
• D) 38 J

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