Physics
Grade-10
Easy
Question
In the explosion of a cracker or a bomb.
- Energy is produced
- Momentum is conserved
- Internal energy is absorbed
- Momentum remains un conserved
Hint:
Momentum conservation is the key.
The correct answer is: Momentum is conserved
Before the explosion, the momentum of the cracker or bomb is zero. When we add up the momentum of every piece of the object after the explosion, we will end up with zero. Therefore momentum is conserved.
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